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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.

    Potassium Chloride Conductivity Standard, 1000 µS/cm at 25°C - 5888.01-5

    $557.21 $529.35

    Potassium Chloride Conductivity Standard, 12,880 µS/cm (12.88 mS/cm) at 25°C - 5888.13-16

    $64.82 $61.58

    Potassium Chloride Conductivity Standard, 718 µS/cm at 25°C - 5888.11-16

    $67.88 $64.49

    Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-5

    $612.07 $581.47

    Potassium Dichromate Spectrophotometric Standard, 0.4 AU/cm at 280 nm - R6086400-500A

    $201.50 $191.43

    Potassium Chloride Conductivity Standard, 10,000 µS/cm (10 mS/cm) at 25°C - 5888.10-1

    $172.08 $163.48

    Potassium Chloride Conductivity Standard, 2500 µS/cm at 25°C - 5888.02-1

    $112.04 $106.44

    Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-32

    $78.99 $75.04

    Potassium Chloride Conductivity Standard, 7000 µS/cm at 25°C - 5888.07-1

    $618.83 $587.89

    Potassium Chloride Conductivity Standard, 300 µS/cm at 25°C - R5887350-1A

    $233.55 $221.87

    Potassium Chloride Conductivity Standard, 7000 µS/cm at 25°C - 5888.07-16

    $113.49 $107.82

    Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-5

    $297.30 $282.44

    Potassium Chloride Conductivity Standard, 2767 µS/cm at 25°C, 0.02 Molar - 5888.03-16

    $57.80 $54.91

    Potassium Chloride Conductivity Standard, 12,880 µS/cm (12.88 mS/cm) at 25°C - 5888.13-1

    $355.84 $338.05

    Potassium Chloride Conductivity Standard, 718 µS/cm at 25°C - 5888.11-32

    $189.20 $179.74

    Potassium Acid Phthalate Standard, 1.00% (w/w) - 5869-16

    $144.00 $136.80

    Potassium Chloride Conductivity Standard, 1118 µS/cm at 25°C - R5888014-1A

    $233.56 $221.88

    Potassium Dichromate Spectrophotometric Standard, 1.0 AU/cm at 254 nm - R6085410-1A

    $158.29 $150.38

    Phosphate Phosphorus Standard, 20,000 ppm P (61,320 ppm PO?³?) - R5857200-120A

    $208.19 $197.78

    Potassium Dichromate Spectrophotometric Standard, 0.5 AU/cm at 280 nm - 6087-5

    $410.26 $389.75

    Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-20F

    $661.50 $628.43

    Potassium Acid Phthalate, 300 mg/L, Multi-Purpose Standard - 5867.3-16

    $51.76 $49.17

    Potassium Chloride Conductivity Standard, 3000 µS/cm at 25°C - 5888.04-32

    $97.84 $92.95

    Potassium Chloride Conductivity Standard, 12,890 µS/cm (12.89 mS/cm) at 25°C - R5888135-1A

    $245.15 $232.89

    Potassium Dichromate Spectrophotometric Standard, 1.0 AU/cm at 340 nm Alfa Wassermann Item #BX07-0078 - R6091100-1B

    $168.74 $160.30

    Potassium Dichromate Spectrophotometric Standard, 1.0 AU/cm at 280 nm - R6087500-1A

    $166.54 $158.21

    Potassium Chloride Conductivity Standard, 718 µS/cm at 25°C - 5888.11-5

    $780.73 $741.69

    Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-10F

    $207.67 $197.29

    Potassium Chloride Conductivity Standard, 1400 µS/cm at 25°C - 5888.14-1

    $212.46 $201.84

    Potassium Dichromate Spectrophotometric Standard, 1.8 AU/cm at 254 nm - R6085418-1A

    $158.29 $150.38

    Potassium Dichromate Spectrophotometric Standard, 1.8 AU/cm at 280 nm - 6088-5

    $424.38 $403.16

    Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-1A

    $61.75 $58.66

    Potassium Chloride Conductivity Standard, 12,880 µS/cm (12.88 mS/cm) at 25°C - 5888.13-32

    $267.26 $253.90

    Potassium Chloride Conductivity Standard, 2765 µS/cm at 25°C - R5888029-500A

    $84.00 $79.80

    Potassium Hydrogen Phthalate RV, EP Primary Standard 2000400 - R6120000-100A6

    $95.49 $90.72

    Potassium Dichromate Spectrophotometric Standard, 0.5 AU/cm at 280 nm - 6087-1

    $139.30 $132.34

    Potassium Dichromate Spectrophotometric Standard, 1.8 AU/cm at 280 nm - 6088-1

    $144.34 $137.12

    Potassium Standard, 100 ppm K in 3% HNO? - 6498-100

    $145.88 $138.59

    Potassium Standard, 10 ppm K - 6495-16

    $53.74 $51.05

    Potassium Standard, 100 ppm K - 6497-16

    $64.17 $60.96

    Potassium Standard, 5000 ppm K - 6503-32

    $205.74 $195.45

    Potassium Standard, 10,000 ppm K - 6505-4

    $100.85 $95.81

    Potassium Standard, 5000 ppm K - 6503-16

    $150.82 $143.28

    Potassium Standard, 10,000 ppm K - 6505-16

    $249.00 $236.55

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