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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.
Chemicals & Reagents
Reference Standards
Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-20F
Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-20FSize:20 L CubitainerCAS Number:7732-18-5,7447-40-7
Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-16
Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-16Size:500 mL Poly naturalCAS Number:7732-18-5,877-24-7
Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-32
Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-32Size:1 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 12,890 µS/cm (12.89 mS/cm) at 25°C - R5888135-1A
Potassium Chloride Conductivity Standard, 12,890 µS/cm (12.89 mS/cm) at 25°C - R5888135-1ASize:1 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Dichromate Spectrophotometric Standard, 1.0 AU/cm at 340 nm Alfa Wassermann Item #BX07-0078 - R6091100-1B
Potassium Dichromate Spectrophotometric Standard, 1.0 AU/cm at 340 nm Alfa Wassermann Item #BX07-0078 - R6091100-1BSize:1 L Amber polyCAS Number:7732-18-5,7664-93-9,7778-50-9
Potassium Dichromate Spectrophotometric Standard, 1.0 AU/cm at 280 nm - R6087500-1A
Potassium Dichromate Spectrophotometric Standard, 1.0 AU/cm at 280 nm - R6087500-1ASize:1 L Poly naturalCAS Number:7732-18-5,7778-50-9
Potassium Chloride Conductivity Standard, 718 µS/cm at 25°C - 5888.11-5
Potassium Chloride Conductivity Standard, 718 µS/cm at 25°C - 5888.11-5Size:20 L CubitainerCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-10F
Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-10FSize:10 L CubitainerCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 1400 µS/cm at 25°C - 5888.14-1
Potassium Chloride Conductivity Standard, 1400 µS/cm at 25°C - 5888.14-1Size:4 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Dichromate Spectrophotometric Standard, 1.8 AU/cm at 254 nm - R6085418-1A
Potassium Dichromate Spectrophotometric Standard, 1.8 AU/cm at 254 nm - R6085418-1ASize:1 L Poly naturalCAS Number:7732-18-5,7778-50-9
Potassium Dichromate Spectrophotometric Standard, 1.8 AU/cm at 280 nm - 6088-5
Potassium Dichromate Spectrophotometric Standard, 1.8 AU/cm at 280 nm - 6088-5Size:20 L CubitainerCAS Number:7732-18-5,7778-50-9
Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-1A
Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-1ASize:1 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 12,880 µS/cm (12.88 mS/cm) at 25°C - 5888.13-32
Potassium Chloride Conductivity Standard, 12,880 µS/cm (12.88 mS/cm) at 25°C - 5888.13-32Size:1 L Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Chloride Conductivity Standard, 2765 µS/cm at 25°C - R5888029-500A
Potassium Chloride Conductivity Standard, 2765 µS/cm at 25°C - R5888029-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7447-40-7
Potassium Hydrogen Phthalate RV, EP Primary Standard 2000400 - R6120000-100A6
Potassium Hydrogen Phthalate RV, EP Primary Standard 2000400 - R6120000-100A6Size:100 g wide mouthCAS Number:877-24-7
Potassium Dichromate Spectrophotometric Standard, 0.5 AU/cm at 280 nm - 6087-1
Potassium Dichromate Spectrophotometric Standard, 0.5 AU/cm at 280 nm - 6087-1Size:4 L Poly naturalCAS Number:7732-18-5,7778-50-9
