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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.

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

    $40.71

    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

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

    $65.72

    Calcium Standard, 1000 ppm Ca - 1821-16

    $154.11

    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

    Color Standard, APHA / Hazen (Platinum-Cobalt), Color = 1500 - R2231500-500C

    $1,010.51

    Conductivity Standard, 30,000 µS/cm (30 mS/cm) at 25°C - 2236.88-32

    $206.62

    Conductivity Standard, 60,000 µS/cm (60 mS/cm) at 25°C with attached Certificate of Analysis - 2248.60-32

    $174.19

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