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      <image:caption>Potassium Chloride Conductivity Standard, 25 µS/cm at 25°C - R5885250-20F</image:caption>
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      <image:title>Potassium Chloride Conductivity Standard, 12.9 µS/cm at 25°C - 5885.13-32</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 12.9 µS/cm at 25°C - 5885.13-32</image:caption>
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      <image:caption>Potassium Chloride Conductivity Standard, 4500 µS/cm at 25°C - R5888420-1A</image:caption>
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      <image:caption>Potassium Chloride Conductivity Standard, 25,000 µS/cm (25 mS/cm) at 25°C - 5888.6-2.5</image:caption>
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      <image:title>Potassium Chloride Conductivity Standard, 80,000 µS/cm (80 mS/cm) at 25°C - R5888800-500A</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 80,000 µS/cm (80 mS/cm) at 25°C - R5888800-500A</image:caption>
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      <image:title>Potassium Chloride Conductivity Standard, 74 µS/cm at 25°C - 5886-32</image:title>
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      <image:title>Potassium Chloride Conductivity Standard, 25,000 µS/cm (25 mS/cm) at 25°C - 5888.6-5</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 25,000 µS/cm (25 mS/cm) at 25°C - 5888.6-5</image:caption>
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      <image:title>Potassium Chloride Conductivity Standard, 58,700 µS/cm (58.7 mS/cm) at 25°C - 5889.1-16</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 58,700 µS/cm (58.7 mS/cm) at 25°C - 5889.1-16</image:caption>
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  <url>
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      <image:title>Phosphate Buffer, 0.10 Molar, pH 6.20 - 5799.2-5</image:title>
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      <image:title>Potassium Chloride Conductivity Standard, 25,000 µS/cm (25 mS/cm) at 25°C - 5888.6-16</image:title>
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      <image:title>Potassium Chloride Conductivity Standard, 100,000 µS/cm (100 mS/cm) at 25°C - R5889300-20F</image:title>
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      <image:title>Potassium Chloride Conductivity Standard, 100 µS/cm at 25°C - 5887-2.5</image:title>
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      <image:title>Potassium Chloride Conductivity Standard, 200 µS/cm at 25°C - R5887280-20F</image:title>
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      <image:caption>Potassium Chloride Conductivity Standard, 100,000 µS/cm (100 mS/cm) at 25°C - R5889300-500A</image:caption>
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      <image:title>Potassium Chloride Conductivity Standard, 58,640 µS/cm (58.64 mS/cm) at 25°C - 5889.15-5</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 58,640 µS/cm (58.64 mS/cm) at 25°C - 5889.15-5</image:caption>
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      <image:caption>Potassium Chloride, 0.0100 Molar (M/100), 1412 µS/cm at 25°C - 5890-16</image:caption>
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  <url>
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      <image:title>Potassium Chloride Reference Solution B, 12,856 µS/cm at 25°C, 0.1 Molar - 5894-32</image:title>
      <image:caption>Potassium Chloride Reference Solution B, 12,856 µS/cm at 25°C, 0.1 Molar - 5894-32</image:caption>
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      <image:title>Potassium Chloride Conductivity Standard, 500 µS/cm at 25°C - 5887.5-5</image:title>
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      <image:title>Potassium Chloride Conductivity Standard, 84 µS/cm at 25°C - 5886.84-32</image:title>
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      <image:title>Potassium Chloride Conductivity Standard, 50 µS/cm at 25°C - 5886.5-2.5</image:title>
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      <image:title>Potassium Chloride Conductivity Standard, 84 µS/cm at 25°C - 5886.84-16</image:title>
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      <image:title>Potassium Chloride Conductivity Standard, 250 µS/cm at 25°C - 5887.300-5</image:title>
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      <image:title>Potassium Chloride, 0.100 Molar (M/10) - 5891-5</image:title>
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      <image:title>Phosphate Buffer Solution, pH 6.8, for Phenols - 5807-32</image:title>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
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      <image:title>Potassium Chloride Conductivity Standard, 500 µS/cm at 25°C - 5887.5-2.5</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 500 µS/cm at 25°C - 5887.5-2.5</image:caption>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_10f_f54adf45-6ca8-4106-9eea-0fb5de6a24d5.png?v=1776329478</image:loc>
      <image:title>Potassium Chloride Reference Solution C, 1408.8 µS/cm at 25°C, 0.01 Molar - 5895-2.5</image:title>
      <image:caption>Potassium Chloride Reference Solution C, 1408.8 µS/cm at 25°C, 0.01 Molar - 5895-2.5</image:caption>
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    <changefreq>daily</changefreq>
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  <url>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_500a_da764764-e16f-434b-b131-edba734f596a.png?v=1776329480</image:loc>
      <image:title>Phosphoric Acid, 75% (v/v) - 5855-16</image:title>
      <image:caption>Phosphoric Acid, 75% (v/v) - 5855-16</image:caption>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_20f_806a0a40-b244-4f1d-b937-9f309a64477c.png?v=1776329476</image:loc>
      <image:title>Phosphate Buffer, 0.1 Molar, pH 7.2 - 5811-5</image:title>
      <image:caption>Phosphate Buffer, 0.1 Molar, pH 7.2 - 5811-5</image:caption>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Potassium Chloride Conductivity Standard, 700 µS/cm at 25°C - 5887.7-16</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 700 µS/cm at 25°C - 5887.7-16</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>Potassium Chloride, 3 Molar, Filling Solution for ROSS pH Combination and Reference Electrodes - 5899-4</image:title>
      <image:caption>Potassium Chloride, 3 Molar, Filling Solution for ROSS pH Combination and Reference Electrodes - 5899-4</image:caption>
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  <url>
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      <image:title>Phosphate Buffer, 0.2 Molar, pH 7.5 - 5812-32</image:title>
      <image:caption>Phosphate Buffer, 0.2 Molar, pH 7.5 - 5812-32</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:caption>Phosphorus Standard, 250 ppm P - R5857003-500A</image:caption>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_20f_014c03c7-391c-4bd7-9b1b-bb134c071f0c.png?v=1776329481</image:loc>
      <image:title>Phosphoric Acid, 25% (v/v) - 5851-5</image:title>
      <image:caption>Phosphoric Acid, 25% (v/v) - 5851-5</image:caption>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Phosphate Phosphorus Standard, 25 ppm P (76.7 ppm PO?³?) - 5856-16</image:title>
      <image:caption>Phosphate Phosphorus Standard, 25 ppm P (76.7 ppm PO?³?) - 5856-16</image:caption>
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    <changefreq>daily</changefreq>
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      <image:title>Potassium Chloride Conductivity Standard, 200 µS/cm at 25°C - R5887280-4A</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 200 µS/cm at 25°C - R5887280-4A</image:caption>
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    <changefreq>daily</changefreq>
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      <image:caption>Potassium Chloride Conductivity Standard, 1000 µS/cm at 25°C - 5888.01-16</image:caption>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_120a_45166ac9-514e-440f-a2c0-67f85590c54e.png?v=1776329477</image:loc>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_c1c07049-6812-4bab-8a45-8b91c0204525.png?v=1776329484</image:loc>
      <image:title>Phosphate Buffer, 0.1 Molar, pH 8.00 - R5813000-1A</image:title>
      <image:caption>Phosphate Buffer, 0.1 Molar, pH 8.00 - R5813000-1A</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:title>Potassium Chloride Conductivity Standard, 200 µS/cm at 25°C - R5887280-1A</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 200 µS/cm at 25°C - R5887280-1A</image:caption>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:title>Potassium Chloride, 3 Molar, Filling Solution for ROSS pH Combination and Reference Electrodes - 5899-16</image:title>
      <image:caption>Potassium Chloride, 3 Molar, Filling Solution for ROSS pH Combination and Reference Electrodes - 5899-16</image:caption>
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  <url>
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      <image:title>Potassium Chloride Conductivity Standard, 447 µS/cm at 25°C - 5887.47-16</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 447 µS/cm at 25°C - 5887.47-16</image:caption>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
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  <url>
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      <image:title>Potassium Chloride Conductivity Standard, 500 µS/cm at 25°C - 5887.5-32</image:title>
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      <image:title>Potassium Chloride Conductivity Standard, 389 µS/cm at 25°C (200 ppm TDS as KCl) - R5887389-500A</image:title>
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      <image:title>Phosphate Buffer, pH 7, for Water Reaction in Aviation Fuel - 5808.20-5</image:title>
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      <image:title>Potassium Chloride Reference Solution A, 111,342 µS/cm at 25°C, 1 Molar - 5893-32</image:title>
      <image:caption>Potassium Chloride Reference Solution A, 111,342 µS/cm at 25°C, 1 Molar - 5893-32</image:caption>
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      <image:title>Potassium Chloride Conductivity Standard, 500 µS/cm at 25°C - 5887.5-16</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 500 µS/cm at 25°C - 5887.5-16</image:caption>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
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      <image:title>Phosphate Buffer, pH 7, for Water Reaction in Aviation Fuel - 5808.20-32</image:title>
      <image:caption>Phosphate Buffer, pH 7, for Water Reaction in Aviation Fuel - 5808.20-32</image:caption>
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      <image:title>Potassium Chloride Reference Solution A, 111,342 µS/cm at 25°C, 1 Molar - 5893-16</image:title>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500a_754fb60a-114d-4ab2-96c3-27c3f09346a5.png?v=1776329481</image:loc>
      <image:title>Potassium Chloride Reference Solution B, 12,856 µS/cm at 25°C, 0.1 Molar - 5894-16</image:title>
      <image:caption>Potassium Chloride Reference Solution B, 12,856 µS/cm at 25°C, 0.1 Molar - 5894-16</image:caption>
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  <url>
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    <changefreq>daily</changefreq>
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      <image:caption>Potassium Chloride Conductivity Standard, 750 µS/cm at 25°C - 5887.75-32</image:caption>
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  <url>
    <loc>https://labproinc2.myshopify.com/products/phosphate-phosphorus-standard-100-ppm-p-3066-ppm-po-58565-4</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_120a_f6efc852-6a28-4d68-a711-2d105f41c2c5.png?v=1776329482</image:loc>
      <image:title>Phosphate Phosphorus Standard, 100 ppm P (306.6 ppm PO?³?) - 5856.5-4</image:title>
      <image:caption>Phosphate Phosphorus Standard, 100 ppm P (306.6 ppm PO?³?) - 5856.5-4</image:caption>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500a_a0a3d956-619b-41d5-bc21-2759d622038b.png?v=1776329482</image:loc>
      <image:title>Phosphorus Standard, 500 ppm P - R5857005-500A</image:title>
      <image:caption>Phosphorus Standard, 500 ppm P - R5857005-500A</image:caption>
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  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloride-conductivity-standard-147-scm-at-25c-58872-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_7227f082-65f9-4130-96f3-84e079e6c749.png?v=1776329481</image:loc>
      <image:title>Potassium Chloride Conductivity Standard, 147 µS/cm at 25°C - 5887.2-32</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 147 µS/cm at 25°C - 5887.2-32</image:caption>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_1b5cb04b-622f-4562-99ed-c8e7dc9cb833.png?v=1776329486</image:loc>
      <image:title>Potassium Chloride Reference Solution C, 1408.8 µS/cm at 25°C, 0.01 Molar - 5895-32</image:title>
      <image:caption>Potassium Chloride Reference Solution C, 1408.8 µS/cm at 25°C, 0.01 Molar - 5895-32</image:caption>
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  <url>
    <loc>https://labproinc2.myshopify.com/products/phosphate-buffer-005-molar-ph-72-5806-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_20f_665993fd-4443-4b1c-9cda-3b686e821268.png?v=1776329484</image:loc>
      <image:title>Phosphate Buffer, 0.05 Molar, pH 7.2 - 5806-5</image:title>
      <image:caption>Phosphate Buffer, 0.05 Molar, pH 7.2 - 5806-5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/phosphate-buffer-01-molar-ph-740-r5811400-1a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_1d5325dc-3ec5-430c-8bab-726e837b0447.png?v=1776329485</image:loc>
      <image:title>Phosphate Buffer, 0.1 Molar, pH 7.40 - R5811400-1A</image:title>
      <image:caption>Phosphate Buffer, 0.1 Molar, pH 7.40 - R5811400-1A</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloroplatinate-02-wv-in-10-vv-hydrochloric-acid-5950-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_500c_7507888b-f934-4822-ae47-79f5f774c7ca.png?v=1776329485</image:loc>
      <image:title>Potassium Chloroplatinate, 0.2% (w/v) in 10% (v/v) Hydrochloric Acid - 5950-16</image:title>
      <image:caption>Potassium Chloroplatinate, 0.2% (w/v) in 10% (v/v) Hydrochloric Acid - 5950-16</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloride-200-molar-58992-1</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_4a_6a10a6ad-78b8-4ed9-ae4c-a5b9bcb5f0a8.png?v=1776329485</image:loc>
      <image:title>Potassium Chloride, 2.00 Molar - 5899.2-1</image:title>
      <image:caption>Potassium Chloride, 2.00 Molar - 5899.2-1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloride-conductivity-standard-1015-scm-at-25c-r5888012-1a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_7adc5fdc-17a8-4787-a9a8-e07d9cf65a97.png?v=1776329485</image:loc>
      <image:title>Potassium Chloride Conductivity Standard, 1015 µS/cm at 25°C - R5888012-1A</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 1015 µS/cm at 25°C - R5888012-1A</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/phosphorus-standard-10-ppb-10-gl-p-r5856100-1a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_88ce67b3-e56f-4183-b11a-85fedebf0356.png?v=1776329486</image:loc>
      <image:title>Phosphorus Standard, 10 ppb (10 µg/L) P - R5856100-1A</image:title>
      <image:caption>Phosphorus Standard, 10 ppb (10 µg/L) P - R5856100-1A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloride-reference-solution-d-14693-scm-at-25c-0001-molar-5896-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_6cd5d646-5c2d-4201-97d5-a73817d8fac2.png?v=1776329486</image:loc>
      <image:title>Potassium Chloride Reference Solution D, 146.93 µS/cm at 25°C, 0.001 Molar - 5896-32</image:title>
      <image:caption>Potassium Chloride Reference Solution D, 146.93 µS/cm at 25°C, 0.001 Molar - 5896-32</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/picric-acid-saturated-approximately-12-wv-5860-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500a_9eddc5fe-89cb-4e2c-860c-f66b067d3936.png?v=1776329488</image:loc>
      <image:title>Picric Acid, Saturated, approximately 1.2% (w/v) - 5860-16</image:title>
      <image:caption>Picric Acid, Saturated, approximately 1.2% (w/v) - 5860-16</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/phosphate-buffer-50mmph-80-r5812700-500a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500a_929cbe28-e7ce-46ea-9a49-cbfbc7ae44be.png?v=1776329486</image:loc>
      <image:title>Phosphate Buffer, 50mM/pH 8.0 - R5812700-500A</image:title>
      <image:caption>Phosphate Buffer, 50mM/pH 8.0 - R5812700-500A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/picric-acid-acetone-for-brown-brinn-r5861100-500a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-flammable_500a_e9248db5-ad4f-445f-9f3c-e3273682af69.png?v=1776329491</image:loc>
      <image:title>Picric Acid-Acetone, for Brown &amp; Brinn - R5861100-500A</image:title>
      <image:caption>Picric Acid-Acetone, for Brown &amp; Brinn - R5861100-500A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-acid-phthalate-standard-1000-ppm-chemical-oxygen-demand-cod-5868-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500a_21fad679-3caa-4c0b-bccc-a2dca77e4a13.png?v=1776329485</image:loc>
      <image:title>Potassium Acid Phthalate Standard, 1000 ppm Chemical Oxygen Demand (COD) - 5868-16</image:title>
      <image:caption>Potassium Acid Phthalate Standard, 1000 ppm Chemical Oxygen Demand (COD) - 5868-16</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloride-0100-molar-m10-5891-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_1c787d53-bdf0-4255-bd00-674acf132b69.png?v=1776329488</image:loc>
      <image:title>Potassium Chloride, 0.100 Molar (M/10) - 5891-32</image:title>
      <image:caption>Potassium Chloride, 0.100 Molar (M/10) - 5891-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloride-00200-normal-n50-r5891020-1a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_46555e44-cf39-4843-aa9f-6c721865f630.png?v=1776329488</image:loc>
      <image:title>Potassium Chloride, 0.0200 Normal (N/50) - R5891020-1A</image:title>
      <image:caption>Potassium Chloride, 0.0200 Normal (N/50) - R5891020-1A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/picric-acid-4-in-methanol-r5860540-1c</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-flammable_1c_27fcf646-76c7-42ce-bf64-33894635384f.png?v=1776329489</image:loc>
      <image:title>Picric Acid, 4% in Methanol - R5860540-1C</image:title>
      <image:caption>Picric Acid, 4% in Methanol - R5860540-1C</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/phosphorus-std-1-ppm-p-r5856401-500a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500a_32a913a8-fa44-4839-a46c-6dbb70de9cfe.png?v=1776329489</image:loc>
      <image:title>Phosphorus Std, 1 ppm P - R5856401-500A</image:title>
      <image:caption>Phosphorus Std, 1 ppm P - R5856401-500A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloride-0500-molar-m2-5898-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500a_f59f40d6-d454-476a-adde-f9897a23d42a.png?v=1776329488</image:loc>
      <image:title>Potassium Chloride, 0.500 Molar (M/2) - 5898-16</image:title>
      <image:caption>Potassium Chloride, 0.500 Molar (M/2) - 5898-16</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloride-saturated-approximately-4-molar-5900-1</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_4a_8d9e2e26-9f32-4cb9-9edb-4ed26bff7a49.png?v=1776329492</image:loc>
      <image:title>Potassium Chloride, Saturated, approximately 4 Molar - 5900-1</image:title>
      <image:caption>Potassium Chloride, Saturated, approximately 4 Molar - 5900-1</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-acetate-ts-10-wv-5866-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500a_a4ca834f-72fb-423a-842a-2544e0efe6fc.png?v=1776329491</image:loc>
      <image:title>Potassium Acetate TS, 10% (w/v) - 5866-16</image:title>
      <image:caption>Potassium Acetate TS, 10% (w/v) - 5866-16</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloride-conductivity-standard-717-scm-at-25c-588772-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_c64e8533-a799-43f0-a1b4-91d11f22988a.png?v=1776329492</image:loc>
      <image:title>Potassium Chloride Conductivity Standard, 717 µS/cm at 25°C - 5887.72-32</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 717 µS/cm at 25°C - 5887.72-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/phosphate-buffer-01-molar-ph-740-r5811405-1a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_32b602b0-3362-446e-a8c8-02ff7bd646d6.png?v=1776329489</image:loc>
      <image:title>Phosphate Buffer, 0.1 Molar, pH 7.40 - R5811405-1A</image:title>
      <image:caption>Phosphate Buffer, 0.1 Molar, pH 7.40 - R5811405-1A</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/phosphate-buffer-50mmph-80-r5812700-250a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-standards_6d35b7d5-4078-4637-8f05-9f885317ee1b.png?v=1776329489</image:loc>
      <image:title>Phosphate Buffer, 50mM/pH 8.0 - R5812700-250A</image:title>
      <image:caption>Phosphate Buffer, 50mM/pH 8.0 - R5812700-250A</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/chemical-oxygen-demand-standard-1500-ppm-cod-586815-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_a10a95df-554a-4e46-92c6-57ae3432fc5d.png?v=1776329492</image:loc>
      <image:title>Chemical Oxygen Demand Standard, 1500 ppm COD - 5868.15-32</image:title>
      <image:caption>Chemical Oxygen Demand Standard, 1500 ppm COD - 5868.15-32</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloride-200-normal-with-02-gl-silver-chloride-5914-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_821adab2-56a7-4920-9efd-fd3303364c0b.png?v=1776329493</image:loc>
      <image:title>Potassium Chloride, 2.00 Normal with 0.2 g/L Silver Chloride - 5914-32</image:title>
      <image:caption>Potassium Chloride, 2.00 Normal with 0.2 g/L Silver Chloride - 5914-32</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/phosphoric-acid-10-vv-5850-55</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-55e_a400e36b-128e-44a3-baa7-5206f78f92fb.png?v=1776329492</image:loc>
      <image:title>Phosphoric Acid, 10% (v/v) - 5850-55</image:title>
      <image:caption>Phosphoric Acid, 10% (v/v) - 5850-55</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-chloride-conductivity-standard-2767-scm-at-25c-002-molar-588803-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_c91f642d-416c-4f5c-88ce-953d5387b8de.png?v=1776329491</image:loc>
      <image:title>Potassium Chloride Conductivity Standard, 2767 µS/cm at 25°C, 0.02 Molar - 5888.03-32</image:title>
      <image:caption>Potassium Chloride Conductivity Standard, 2767 µS/cm at 25°C, 0.02 Molar - 5888.03-32</image:caption>
    </image:image>
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  <url>
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  <url>
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      <image:title>Potassium Chromate, 5% (w/v), Chloride Free, Indicator for Argentometric Titrations - 6000-32</image:title>
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      <image:title>Potassium Chromate TS, 10% (w/v), Chloride Free, Indicator for Argentometric Titrations - 6005-32</image:title>
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    <changefreq>daily</changefreq>
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      <image:title>Potassium Chloride, 4 Molar, saturated with Silver Chloride, Electrode Filling Solution - 5920-32</image:title>
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      <image:title>Potassium Chloride Conductivity Standard, 7000 µS/cm at 25°C - 5888.07-16</image:title>
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    <changefreq>daily</changefreq>
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      <image:title>Potassium Chloride Conductivity Standard, 12,880 µS/cm (12.88 mS/cm) at 25°C - 5888.13-1</image:title>
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    <changefreq>daily</changefreq>
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      <image:title>POROS HQ Pool Matrix 20 mM Acetate / 50 mM Sodium Chloride, pH 5.5 - R5867900-500A</image:title>
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    <changefreq>daily</changefreq>
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      <image:title>Potassium Chloride Conductivity Standard, 718 µS/cm at 25°C - 5888.11-32</image:title>
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  <url>
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    <changefreq>daily</changefreq>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-health_500a_1246a4ee-6bdc-43de-89e5-75968bae5aac.png?v=1776329535</image:loc>
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  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-100-normal-6250-1</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Potassium Hydroxide, 1.00 Normal - 6250-1</image:caption>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-ts-650-wv-6125-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_500a_29c41b31-8881-43a6-8e5e-ce3b5cac64ca.png?v=1776329537</image:loc>
      <image:title>Potassium Hydroxide TS, 6.50% (w/v) - 6125-16</image:title>
      <image:caption>Potassium Hydroxide TS, 6.50% (w/v) - 6125-16</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-208-normal-r6251910-1a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_1a_ca2f9053-acd7-4ee0-9946-abefe54390db.png?v=1776329533</image:loc>
      <image:title>Potassium Hydroxide, 2.08 Normal - R6251910-1A</image:title>
      <image:caption>Potassium Hydroxide, 2.08 Normal - R6251910-1A</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-200-normal-r6251900-4a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_4a_e06fb906-ad02-41da-8a6e-f6c63e9a07f8.png?v=1776329535</image:loc>
      <image:title>Potassium Hydroxide, 2.00 Normal - R6251900-4A</image:title>
      <image:caption>Potassium Hydroxide, 2.00 Normal - R6251900-4A</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-permanganate-0588-normal-6412-1</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_4c_93baa68d-eb8b-4519-94c2-8a1485996d46.png?v=1776329542</image:loc>
      <image:title>Potassium Permanganate, 0.588 Normal - 6412-1</image:title>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodide-5-wv-stabilized-6290-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:caption>Potassium Iodide, 5% (w/v), Stabilized - 6290-5</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-100-normal-6250-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Potassium Hydroxide, 1.00 Normal - 6250-16</image:title>
      <image:caption>Potassium Hydroxide, 1.00 Normal - 6250-16</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-dichromate-spectrophotometric-standard-18-aucm-at-280-nm-6088-1</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Potassium Dichromate Spectrophotometric Standard, 1.8 AU/cm at 280 nm - 6088-1</image:title>
      <image:caption>Potassium Dichromate Spectrophotometric Standard, 1.8 AU/cm at 280 nm - 6088-1</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-fluoride-30-ww-6103-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-fluoride-50-ww-ph-83-6105-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-health_20f_32787bfc-bb72-42d3-93d7-193bb6e4d979.png?v=1776329541</image:loc>
      <image:title>Potassium Fluoride, 50% (w/w), pH 8.3 - 6105-5</image:title>
      <image:caption>Potassium Fluoride, 50% (w/w), pH 8.3 - 6105-5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-permanganate-0588-normal-6412-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Potassium Permanganate, 0.588 Normal - 6412-32</image:title>
      <image:caption>Potassium Permanganate, 0.588 Normal - 6412-32</image:caption>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500b_c2d9b777-d3d4-4f41-bbda-e31ef9057a18.png?v=1776329536</image:loc>
      <image:title>Potassium Iodide, 10% (w/v), Stabilized - 6300-16</image:title>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-10-wv-6130-25</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_10f_4da70dd5-573a-431d-a0e1-a0335a355b6f.png?v=1776329538</image:loc>
      <image:title>Potassium Hydroxide, 10% (w/v) - 6130-2.5</image:title>
      <image:caption>Potassium Hydroxide, 10% (w/v) - 6130-2.5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-permanganate-0891-normal-6415-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1c_2fe097be-3193-4b63-b91a-4f5eedd0e9c3.png?v=1776329535</image:loc>
      <image:title>Potassium Permanganate, 0.891 Normal - 6415-32</image:title>
      <image:caption>Potassium Permanganate, 0.891 Normal - 6415-32</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodide-10-wv-stabilized-6300-25</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_10f_0826a609-7601-4402-8916-5c828c853750.png?v=1776329535</image:loc>
      <image:title>Potassium Iodide, 10% (w/v), Stabilized - 6300-2.5</image:title>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_1a_1ab625bc-dc89-44ca-8c6e-b212d634721f.png?v=1776329540</image:loc>
      <image:title>Potassium Hydroxide, 0.500 Normal (N/2) - 6230-32</image:title>
      <image:caption>Potassium Hydroxide, 0.500 Normal (N/2) - 6230-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-antimonyl-tartrate-02743-wv-13715-g500-ml-5872-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500a_57ed16b6-a755-46b4-a2e8-604f9719c075.png?v=1776329538</image:loc>
      <image:title>Potassium Antimonyl Tartrate, 0.2743% (w/v)  (1.3715 g/500 mL) - 5872-16</image:title>
      <image:caption>Potassium Antimonyl Tartrate, 0.2743% (w/v)  (1.3715 g/500 mL) - 5872-16</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-fluoride-50-ww-ph-83-6105-1</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-health_4a_b6d98ce7-f3da-4a4e-a0b5-f4baf002c991.png?v=1776329545</image:loc>
      <image:title>Potassium Fluoride, 50% (w/w), pH 8.3 - 6105-1</image:title>
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    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-3-wv-r6128500-500a</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_500a_9dc679ce-f5cf-4f6a-a283-43abf4d2d380.png?v=1776329539</image:loc>
      <image:title>Potassium Hydroxide, 3% (w/v) - R6128500-500A</image:title>
      <image:caption>Potassium Hydroxide, 3% (w/v) - R6128500-500A</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_4a_38a697ad-cae3-4152-ae02-a2a3e5424fea.png?v=1776329538</image:loc>
      <image:title>Potassium Hydroxide, 1 Normal in Diethylene Glycol - 6248-1</image:title>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-400-normal-6252-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_1a_206a5b5a-ea76-4391-92e9-ba93af6f1bbc.png?v=1776329539</image:loc>
      <image:title>Potassium Hydroxide, 4.00 Normal - 6252-32</image:title>
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    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodate-iodide-0100-normal-n10-6285-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_20f_7c33c159-cadc-4738-84d3-378cd529a079.png?v=1776329539</image:loc>
      <image:title>Potassium Iodate-Iodide, 0.100 Normal (N/10) - 6285-5</image:title>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_20f_c39b7de5-fd58-453a-9892-4c012dba825b.png?v=1776329540</image:loc>
      <image:title>Potassium Iodide, 2% (w/v) - 6288-5</image:title>
      <image:caption>Potassium Iodide, 2% (w/v) - 6288-5</image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-health_1a_70deadd3-ee5d-4970-b098-de8e4afe593e.png?v=1776329541</image:loc>
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      <image:caption>Potassium Fluoride, 40% (w/v) - 6100-32</image:caption>
    </image:image>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Potassium Phosphate Monobasic, 176.5 g/L - 6451-32</image:title>
      <image:caption>Potassium Phosphate Monobasic, 176.5 g/L - 6451-32</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-00100-normal-n100-in-isopropyl-alcohol-6253-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-flammable_500a_99dbbb59-2fbb-45b2-8700-a55f95441f73.png?v=1776329541</image:loc>
      <image:title>Potassium Hydroxide, 0.0100 Normal (N/100) in Isopropyl Alcohol - 6253-16</image:title>
      <image:caption>Potassium Hydroxide, 0.0100 Normal (N/100) in Isopropyl Alcohol - 6253-16</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-fluoride-34-wv-r6099100-20f</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-health_20f_d61d9f4d-fd4a-47d7-9eb1-befd49d8e630.png?v=1776329544</image:loc>
      <image:title>Potassium Fluoride, 34% w/v - R6099100-20F</image:title>
      <image:caption>Potassium Fluoride, 34% w/v - R6099100-20F</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-fluoride-50-wv-neutralized-6101-25</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-health_10f_5ef26350-7802-4198-99eb-1799b081d585.png?v=1776329539</image:loc>
      <image:title>Potassium Fluoride, 50% (w/v), Neutralized - 6101-2.5</image:title>
      <image:caption>Potassium Fluoride, 50% (w/v), Neutralized - 6101-2.5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-100-normal-6250-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_20f_b2c876db-c363-4dad-b5b6-2887866b9f0e.png?v=1776329539</image:loc>
      <image:title>Potassium Hydroxide, 1.00 Normal - 6250-5</image:title>
      <image:caption>Potassium Hydroxide, 1.00 Normal - 6250-5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodide-5-wv-stabilized-6290-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1b_9ad08c23-526a-4d00-bf3f-4a8b8ca0ccdc.png?v=1776329540</image:loc>
      <image:title>Potassium Iodide, 5% (w/v), Stabilized - 6290-32</image:title>
      <image:caption>Potassium Iodide, 5% (w/v), Stabilized - 6290-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-2-wv-r6128000-55e</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-55e_d43d66d1-c0d2-4f7b-90e2-353384d5ce74.png?v=1776329540</image:loc>
      <image:title>Potassium Hydroxide, 2% (w/v) - R6128000-55E</image:title>
      <image:caption>Potassium Hydroxide, 2% (w/v) - R6128000-55E</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-phosphate-buffer-50-mm-ph-60-r6454100-20f</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_20f_79dcedca-f15b-479a-9418-168794774e7e.png?v=1776329544</image:loc>
      <image:title>Potassium Phosphate Buffer, 50 mM, pH 6.0 - R6454100-20F</image:title>
      <image:caption>Potassium Phosphate Buffer, 50 mM, pH 6.0 - R6454100-20F</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodide-15-wv-r6287500-20f</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_20f_4df5af92-84c5-4632-b2a3-cca31294d38f.png?v=1776329542</image:loc>
      <image:title>Potassium Iodide, 1.5% (w/v) - R6287500-20F</image:title>
      <image:caption>Potassium Iodide, 1.5% (w/v) - R6287500-20F</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-15-wv-6135-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_20f_c75b59bb-67d7-4366-b88d-be4028179030.png?v=1776329542</image:loc>
      <image:title>Potassium Hydroxide, 15% (w/v) - 6135-5</image:title>
      <image:caption>Potassium Hydroxide, 15% (w/v) - 6135-5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodide-10-wv-stabilized-6300-1</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_4b_da968e9f-db02-4f4f-892d-9ed316fb815e.png?v=1776329546</image:loc>
      <image:title>Potassium Iodide, 10% (w/v), Stabilized - 6300-1</image:title>
      <image:caption>Potassium Iodide, 10% (w/v), Stabilized - 6300-1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-100-normal-625290-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_1a_eab5a438-5db2-4706-adc5-c513dc5f6f21.png?v=1776329543</image:loc>
      <image:title>Potassium Hydroxide, 10.0 Normal - 6252.90-32</image:title>
      <image:caption>Potassium Hydroxide, 10.0 Normal - 6252.90-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-1-wv-r6126000-55e</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-55e_efe10192-5ef5-463e-95ef-6a9a8ae5f95f.png?v=1776329543</image:loc>
      <image:title>Potassium Hydroxide, 1% (w/v) - R6126000-55E</image:title>
      <image:caption>Potassium Hydroxide, 1% (w/v) - R6126000-55E</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodide-2-wv-6288-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500b_c955b81b-f3fc-4e43-8c33-1ce0da88c365.png?v=1776329543</image:loc>
      <image:title>Potassium Iodide, 2% (w/v) - 6288-16</image:title>
      <image:caption>Potassium Iodide, 2% (w/v) - 6288-16</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-10-wv-6130-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_500a_e16274be-6317-4498-b711-3801e65719de.png?v=1776329546</image:loc>
      <image:title>Potassium Hydroxide, 10% (w/v) - 6130-16</image:title>
      <image:caption>Potassium Hydroxide, 10% (w/v) - 6130-16</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-permanganate-05000-00025-normal-6411-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_20f_d03068e3-e60a-4906-8f44-faabb59af3df.png?v=1776329544</image:loc>
      <image:title>Potassium Permanganate, 0.5000 ± 0.0025 Normal - 6411-5</image:title>
      <image:caption>Potassium Permanganate, 0.5000 ± 0.0025 Normal - 6411-5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodate-iodide-0100-normal-n10-6285-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500c_f45eeb02-345c-4f11-ac4a-b45558f0be82.png?v=1776329548</image:loc>
      <image:title>Potassium Iodate-Iodide, 0.100 Normal (N/10) - 6285-16</image:title>
      <image:caption>Potassium Iodate-Iodide, 0.100 Normal (N/10) - 6285-16</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodide-5-wv-stabilized-6290-25</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_10f_1f66756a-1b95-430a-b955-5e923cdba632.png?v=1776329546</image:loc>
      <image:title>Potassium Iodide, 5% (w/v), Stabilized - 6290-2.5</image:title>
      <image:caption>Potassium Iodide, 5% (w/v), Stabilized - 6290-2.5</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodide-10-wv-stabilized-6300-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_20f_fdd4b4ae-9eff-49c2-aa81-46f63ed63e80.png?v=1776329543</image:loc>
      <image:title>Potassium Iodide, 10% (w/v), Stabilized - 6300-5</image:title>
      <image:caption>Potassium Iodide, 10% (w/v), Stabilized - 6300-5</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodate-iodide-0100-normal-n10-6285-1</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_4c_ec6af156-3e92-4301-8ac8-4047ea57c968.png?v=1776329550</image:loc>
      <image:title>Potassium Iodate-Iodide, 0.100 Normal (N/10) - 6285-1</image:title>
      <image:caption>Potassium Iodate-Iodide, 0.100 Normal (N/10) - 6285-1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-400-normal-6252-1</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_4a_98930ed7-bf62-4604-b8fc-136bdb024747.png?v=1776329546</image:loc>
      <image:title>Potassium Hydroxide, 4.00 Normal - 6252-1</image:title>
      <image:caption>Potassium Hydroxide, 4.00 Normal - 6252-1</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-10-wv-6130-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_1a_bc312217-b058-4f1f-9d70-f8cabb2f577a.png?v=1776329544</image:loc>
      <image:title>Potassium Hydroxide, 10% (w/v) - 6130-32</image:title>
      <image:caption>Potassium Hydroxide, 10% (w/v) - 6130-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-0200-normal-n5-in-isopropyl-alcohol-6254-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-flammable_1a_c4a209d5-61e5-4dea-872e-dc3082a49ef8.png?v=1776329545</image:loc>
      <image:title>Potassium Hydroxide, 0.200 Normal (N/5) in Isopropyl Alcohol - 6254-32</image:title>
      <image:caption>Potassium Hydroxide, 0.200 Normal (N/5) in Isopropyl Alcohol - 6254-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-persulfate-5-wv-6450-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1a_7ad98801-8212-43a5-92e8-5244d505d28d.png?v=1776329545</image:loc>
      <image:title>Potassium Persulfate, 5% (w/v) - 6450-32</image:title>
      <image:caption>Potassium Persulfate, 5% (w/v) - 6450-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-600-molar-r6252600-20f</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_20f_86001eef-62c9-4d0d-92f9-622b126f5aff.png?v=1776329551</image:loc>
      <image:title>Potassium Hydroxide, 6.00 Molar - R6252600-20F</image:title>
      <image:caption>Potassium Hydroxide, 6.00 Molar - R6252600-20F</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-permanganate-100-normal-6420-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1c_0faf6878-038a-473f-af3f-e0f02143384e.png?v=1776329555</image:loc>
      <image:title>Potassium Permanganate, 1.00 Normal - 6420-32</image:title>
      <image:caption>Potassium Permanganate, 1.00 Normal - 6420-32</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-pyroantimonate-ts-6458-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_500a_e5f12eda-fb86-4421-9a9c-58cc1b400f21.png?v=1776329554</image:loc>
      <image:title>Potassium Pyroantimonate TS - 6458-16</image:title>
      <image:caption>Potassium Pyroantimonate TS - 6458-16</image:caption>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_4a_39bed920-8208-4d8a-943e-879273929180.png?v=1776329546</image:loc>
      <image:title>Potassium Hydroxide, 0.500 Normal (N/2) - 6230-1</image:title>
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    </image:image>
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  <url>
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  <url>
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    <image:image>
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      <image:caption>Potassium Hydroxide, 10.0 Normal - 6252.90-1</image:caption>
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  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-800-normal-6255-1</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Potassium Sulfate TS, 1% (w/v) - 6540-4</image:title>
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  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-00100-normal-n100-in-isopropyl-alcohol-6253-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-flammable_1a_19737d8e-4fda-45a8-a8cb-29199874fc53.png?v=1776329560</image:loc>
      <image:title>Potassium Hydroxide, 0.0100 Normal (N/100) in Isopropyl Alcohol - 6253-32</image:title>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-50-wv-suitable-for-orsat-gas-analysis-6160-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_500a_4eb6e597-1055-4125-9b57-5c103dd322eb.png?v=1776329558</image:loc>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_20f_99f3321a-227f-4b1f-9b52-b516eaec97fa.png?v=1776329558</image:loc>
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      <image:caption>Potassium Hydroxide, 40% (w/v) - R6156000-20F</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-0100-normal-n10-in-isopropyl-alcohol-6257-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-flammable_20f_d39d30c3-0db2-4b71-b024-5a8aa64bc4fc.png?v=1776329569</image:loc>
      <image:title>Potassium Hydroxide, 0.100 Normal (N/10) in Isopropyl Alcohol - 6257-5</image:title>
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  <url>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
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  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
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    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-800-normal-6255-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_500a_878c92f4-1148-4bf5-85e4-8639c5f351e8.png?v=1776329561</image:loc>
      <image:title>Potassium Hydroxide, 8.00 Normal - 6255-16</image:title>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-fluoride-40-ww-6104-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Potassium Iodide TS, 16.5% (w/v), Stabilized - 6307-1</image:title>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-flammable_4a_7f400e7b-ebf6-45c7-9c9f-a63533d7e2b8.png?v=1776329567</image:loc>
      <image:title>Potassium Hydroxide, 0.0100 Normal (N/100) in Isopropyl Alcohol - 6253-1</image:title>
      <image:caption>Potassium Hydroxide, 0.0100 Normal (N/100) in Isopropyl Alcohol - 6253-1</image:caption>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-thiocyanate-4-wv-6550-16</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_500a_360a8a25-4808-4942-9a48-8f2f4807277e.png?v=1776329565</image:loc>
      <image:title>Potassium Thiocyanate, 4% (w/v) - 6550-16</image:title>
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  </url>
  <url>
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    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_500a_ee0989e1-ed2f-4bc5-959e-5aa846359ec2.png?v=1776329563</image:loc>
      <image:title>Potassium Hydroxide, 50% (w/v), Suitable for Orsat Gas Analysis - 6160-16</image:title>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-standard-100-ppm-k-in-3-hno-6498-100</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-standards_912a810b-13b0-4552-9871-717fc3472a1e.png?v=1776329560</image:loc>
      <image:title>Potassium Standard, 100 ppm K in 3% HNO? - 6498-100</image:title>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-0100-normal-n10-in-isopropyl-alcohol-6257-25</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-flammable_10f_71af01e7-c6b4-42db-b8d6-6c360e75a823.png?v=1776329562</image:loc>
      <image:title>Potassium Hydroxide, 0.100 Normal (N/10) in Isopropyl Alcohol - 6257-2.5</image:title>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodide-ts-165-wv-stabilized-6307-32</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_1b_2fbeeb53-5225-4ac3-9b72-ea10840c4fc7.png?v=1776329563</image:loc>
      <image:title>Potassium Iodide TS, 16.5% (w/v), Stabilized - 6307-32</image:title>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-30-wv-6153-25</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-corrosive_10f_48810721-93aa-48d5-9c07-068841416f3c.png?v=1776329567</image:loc>
      <image:title>Potassium Hydroxide, 30% (w/v) - 6153-2.5</image:title>
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  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-iodide-15-wv-stabilized-6305-5</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0757/2327/6437/files/ricca-general_20f_0b46eddf-836e-4a75-aead-dfc5064fe719.png?v=1776329571</image:loc>
      <image:title>Potassium Iodide, 15% (w/v), Stabilized - 6305-5</image:title>
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    </image:image>
  </url>
  <url>
    <loc>https://labproinc2.myshopify.com/products/potassium-hydroxide-100-normal-in-isopropyl-alcohol-6258-1</loc>
    <lastmod>2026-07-21T12:28:37-07:00</lastmod>
    <changefreq>daily</changefreq>
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