网页Chemical Oxygen Demand (COD) Reagent, TNTplus, HR, 25 tests. Hach. Chemical Oxygen Demand (COD) by the Reactor Digestion Method, using TNTplus™ vials. Hach Method 8000. Range: 20-1500 mg/L COD. Pack of 25 tests TNTplus COD High Range (20-1500 mg/L) vial tests with automatic method detection No Reagent Blank Necessary
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