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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, 300,000 µS/cm (300 mS/cm) at 25°C - R2249300-500A

    $54.58

    Conductivity Standard, 150,000 µS/cm (150 mS/cm) at 25°C - 2249.15-32

    $128.02

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

    $149.11

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

    $73.11

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

    $50.82

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

    $144.16

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

    $96.61

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

    $79.99

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

    $99.77

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

    $113.28

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

    $140.86

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

    $108.95

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

    $62.75

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

    $46.13

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

    $63.46

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

    $41.93

    Conductivity Standard, 40,000 µS/cm (40 mS/cm) at 25°C - 2236.75-16

    $136.50

    Conductivity Standard, 30,000 µS/cm (30 mS/cm) at 25°C - 2236.88-16

    $129.01

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

    $65.14

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

    $42.20

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

    $42.23

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

    $247.67

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