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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.

    Ethyl Alcohol Standard, 14% (v/v) - R2919140-500A

    $144.77

    Ethyl Alcohol Standard, 14% (v/v), 4L - R2919140-4A

    $99.77

    Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 20 - 2230.020-100

    $77.66

    Standard Dithizone Solution, 10 mg/L in Chloroform USP <251> for Lead - R2631000-500C

    $141.33

    Nitrate Nitrogen Standard, 10 ppm N (44.27 ppm NO??) - 5456-16

    $70.98

    Ammonium Standard Stock Solution (250 ppm NH?) EP Standard Solution - 691-4

    $39.78

    Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 50 - 2230.050-100

    $76.96

    Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-8

    $149.40

    Conductivity Standard, 229 µS/cm at 25°C - R2236330-500A

    $93.80

    Conductivity Standard, 84 µS/cm at 25°C - 2236.21-16

    $240.46

    Conductivity Standard, 10 µS/cm at 25°C (4.7 ppm TDS as NaCl) - 2236-16

    $41.00

    Conductivity Standard, 2060 µS/cm at 25°C (1030 ppm TDS as NaCl) - 2244.20-16

    $40.97

    Conductivity Standard, 445 µS/cm at 25°C (213 ppm TDS as NaCl) - 2240.45-32

    $63.24

    Conductivity Standard, 200,000 µS/cm (200 mS/cm) at 25°C - 2249.20-16

    $49.34

    Nitrite Nitrogen Standard, 100 ppm N (328.5 ppm NO??) - 5461.1-4

    $61.61

    Potassium Permanganate Standard, 891 mg/L (1000 ppm as Cl?) - R6354300-500C

    $44.79

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

    $60.92

    Specific Gravity Standard, Sp. Gr. = 1.40 at 60°F/60°F - R7992140-500A

    $105.78

    Specific Gravity Standard, Sp. Gr. =1.80 at 25°C - R7991800-500C1

    $136.76

    Turbidity Standard, 200 NTU, Formazin - R8819200-500C

    $109.98

    Calcium Standard, 10,000 ppm Ca - 1805-16

    $148.31

    Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-200

    $148.62

    Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 500 - 2230-4

    $108.49

    Conductivity Standard, 150 µS/cm at 25°C (71 ppm TDS as NaCl) - 2236.25-16

    $40.97

    Conductivity Standard, 100,000 µS/cm (100 mS/cm) at 25°C 65,750 ppm TDS as NaCl - 2249-16

    $40.71

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

    $133.84

    Specific Gravity Standard, Sp. Gr. = 1.15 at 60°F/60°F - 7992.115-16

    $136.75

    Zero Oxygen Standard, for Calibration of Dissolved Oxygen Meters - 9420-4

    $48.45

    Uranium AA Standard, 1000 ppm U in 3% HNO? - AU1KN-100

    $47.71

    VeriSpec Tellurium Standard for ICP/MS 100 ppm in 2% HNO? Guide 34 Accredited Facility - RV010559-100N

    $155.88

    Boron Standard, 1 ppm B - 1090-16

    $163.67

    Arsenite Standard, 0.100 Normal (N/10) - 820-16

    $73.91

    Arsenite Standard, 0.100 Normal (N/10) - 820-1

    $247.59

    Arsenite Standard, 0.100 Normal (N/10) - 820-32

    $121.64

    Arsenic Standard Stock, EP, 1000 ppm As - R0818000-120A

    $65.72

    Arsenic Standard, 100 ppm As in 2% HNO? - R0797100-500N

    $103.41

    Arsenic Standard, 10 ppm As in 2% HNO? - R0797010-500N

    $96.48

    Arsenic Standard, 0.5 ppm As in 2% HNO? - R0797005-500N

    $95.62

    Arsenic Standard, 1 ppm As in 2% HNO? - R0797001-500N

    $95.66

    Arsenic Standard, 10 ppm As - 796-16

    $85.79

    Arsenate Standard, 1000 ppm As?O? (652 ppm As) - R0792000-120A

    $93.36

    Anion Standard Set, 1000 ppm: F?, Cl?, Br?, NO??, NO??, PO?³?, and SO?²? - 754-7PK

    $663.91

    Anions Multi-Standard Solution, 250 ppm F, 500 ppm Cl, 250 ppm NO?-N, 500 ppm PO?, 500 ppm SO? - 753-16

    $146.74

    Ammonium Standard, 1000 ppm NH?? (776.5 ppm N) - 693-16

    $80.05

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