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    Standards-Others
    Whether you're determining unknown substances or calibrating analytical instruments, you will need certified laboratory standard solutions. Here at Lab Pro, our standards aim to increase lab efficiency and help users achieve more accurate results. Browse through our standards selection ranging from water-soluble ammonium sulfamate to phenacetin powder. If you need laboratory standards in bulk, don't hesitate to reach us at 888-4-LABPRO (888-452-2776). We also offer next-day service in California and same-day service for will-calls.

    Phosphate Phosphorus Standard, 100 ppm P (306.6 ppm PO?³?) - 5856.5-16

    $135.31 $128.54

    Potassium Chloride Conductivity Standard, 84 µS/cm at 25°C - 5886.84-32

    $76.92 $73.07

    Potassium Chloride Conductivity Standard, 50 µS/cm at 25°C - 5886.5-2.5

    $187.48 $178.11

    Potassium Chloride Conductivity Standard, 84 µS/cm at 25°C - 5886.84-16

    $53.28 $50.62

    Potassium Chloride Conductivity Standard, 250 µS/cm at 25°C - 5887.300-5

    $452.67 $430.04

    Potassium Chloride Conductivity Standard, 500 µS/cm at 25°C - 5887.5-2.5

    $213.53 $202.85

    Potassium Chloride Conductivity Standard, 700 µS/cm at 25°C - 5887.7-16

    $64.50 $61.28

    Phosphorus Standard, 250 ppm P - R5857003-500A

    $190.42 $180.90

    Phosphate Phosphorus Standard, 25 ppm P (76.7 ppm PO?³?) - 5856-16

    $49.19 $46.73

    Potassium Chloride Conductivity Standard, 200 µS/cm at 25°C - R5887280-4A

    $117.25 $111.39

    Potassium Chloride Conductivity Standard, 1000 µS/cm at 25°C - 5888.01-16

    $53.03 $50.38

    Potassium Chloride Conductivity Standard, 200 µS/cm at 25°C - R5887280-1A

    $43.54 $41.36

    Potassium Chloride Conductivity Standard, 447 µS/cm at 25°C - 5887.47-16

    $96.51 $91.68

    Potassium Chloride Conductivity Standard, 500 µS/cm at 25°C - 5887.5-32

    $79.66 $75.68

    Potassium Chloride Conductivity Standard, 389 µS/cm at 25°C (200 ppm TDS as KCl) - R5887389-500A

    $132.39 $125.77

    Potassium Chloride Conductivity Standard, 500 µS/cm at 25°C - 5887.5-16

    $46.87 $44.53

    Potassium Chloride Conductivity Standard, 750 µS/cm at 25°C - 5887.75-32

    $54.60 $51.87

    Phosphate Phosphorus Standard, 100 ppm P (306.6 ppm PO?³?) - 5856.5-4

    $100.68 $95.65

    Phosphorus Standard, 500 ppm P - R5857005-500A

    $156.94 $149.09

    Potassium Chloride Conductivity Standard, 147 µS/cm at 25°C - 5887.2-32

    $189.11 $179.65

    Potassium Chloride Conductivity Standard, 1015 µS/cm at 25°C - R5888012-1A

    $97.37 $92.50

    Phosphorus Standard, 10 ppb (10 µg/L) P - R5856100-1A

    $316.56 $300.73

    Potassium Acid Phthalate Standard, 1000 ppm Chemical Oxygen Demand (COD) - 5868-16

    $53.03 $50.38

    Potassium Chloride Conductivity Standard, 717 µS/cm at 25°C - 5887.72-32

    $84.88 $80.64

    Chemical Oxygen Demand Standard, 1500 ppm COD - 5868.15-32

    $203.57 $193.39

    Potassium Chloride Conductivity Standard, 2767 µS/cm at 25°C, 0.02 Molar - 5888.03-32

    $83.47 $79.30

    Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-2.5

    $210.62 $200.09

    Phosphorus Standard, 5 ppb (5 µg/L) P - R5856050-1A

    $343.21 $326.05

    Potassium Chloride Conductivity Standard, 700 µS/cm at 25°C - 5887.7-1

    $304.88 $289.64

    Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-16

    $90.16 $85.65

    Potassium Chloride Conductivity Standard, 111,800 µS/cm (111.8 mS/cm) at 25°C - R5889350-500A

    $142.41 $135.29

    Potassium Chloride Conductivity Standard, 2500 µS/cm at 25°C - 5888.02-32

    $57.58 $54.70

    Potassium Chloride Conductivity Standard, 2765 µS/cm at 25°C - R5888029-1A

    $91.03 $86.48

    Potassium Chloride Conductivity Standard, 700 µS/cm at 25°C - 5887.7-32

    $174.58 $165.85

    Potassium Chloride Conductivity Standard, 2500 µS/cm at 25°C - 5888.02-5

    $450.51 $427.98

    Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-2.5

    $213.53 $202.85

    Potassium Chloride Conductivity Standard, 1000 µS/cm at 25°C - 5888.01-1

    $176.05 $167.25

    Potassium Chloride Conductivity Standard, 1000 µS/cm at 25°C - 5888.01-32

    $79.66 $75.68

    Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-32

    $103.56 $98.38

    Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-16

    $53.03 $50.38

    Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-1

    $238.88 $226.94

    Potassium Chloride Conductivity Standard, 500 µS/cm at 25°C - 5887.5-1

    $113.74 $108.05

    Potassium Chloride Conductivity Standard, 2500 µS/cm at 25°C - 5888.02-16

    $35.98 $34.18

    Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-1

    $197.79 $187.90

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