Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.
Hach offers complete systems for chemical oxygen demand (COD) analysis, with prepared COD reagents, a reactor, and spectrophotometers and.
Search results for 21259-15 : COD Digestion Vials, High Range, pk/150.
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