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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.
hour time period is mandatory for EPA approved methods, but COD readings for non- digestion of up to 15 or 30 reagent vials (16 mm diameter). They.
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The HI93754A-25 reagents vials follow the EPA approved method for the low range determination of chemical oxygen demand (COD) using a compatible benchtop
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Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.
