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Carbon Oxygen Demand Standards

Chemical oxygen demand (COD) reference standards suitable for calibration of colorimeters to ensure accurate and reliable results.
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76

Hach Company COD Standard Solution, 300 mg/L as COD (NIST), 500 mL

For accuracy checks in Chemical Oxygen Demand (COD) determinations. 500 mL bottle

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77

COLUMBIA ANALYTICAL INSTRUMENTS INC 15000 PPM COD TUBES 300CS

NC1212292 15000 PPM COD TUBES 300CS

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