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1 COD ranges 3–150 mg/L and 20– 1500 mg/L COD are USEPA approved (5220 D) for wastewater Table 1 Instrument-specific information for TNTplus vials.
A COD test typically involves digestion of a water sample in a sealed vial with potassium dichromate and sulfuric acid at 150oC for 2 hours.
Pre-filled with COD reagents, these digestion vials come in either EPA-approved or mercury-free versions for low-, standard-, and ultra-high-range analysis.
The EPA does not allow a modification of the reagents used for reporting purposes. You must use all specified reagents in the COD vial.
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COD Analysis Kits. • US EPA-approved. • Mercury-free COD kits. CHEMetrics' leakproof reagent vials contain pre-measured solutions of sulfuric acids and.
COD Digestion Vials, Low Range Method: Reactor Digestion Chemical Oxygen Demand (COD): US EPA approved for wastewater analysis using Hach Method 8000 Range: 0-
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