COD Vials

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Chemical oxygen demand (COD) reagent vials for measuring water A generic calibration equation is included for use with other spectrophotometers. Calibration standards to verify the accuracy of test results or to generate  Oxygen Demand, Chemical – Hach Scope and application: For water and wastewater. The reagent that is used in this test is corrosive and toxic. … COD Digestion Reagent vials. Case Study of COD and NH 4-N Discharges in Mainland China Jul 17, 2019 Excess consumpti...

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