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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.
Look to Hach for your complete COD testing solution. Easy to use and fast, safe to operate and versatile, Hach DRB reactors accommodate most test vials.
Hach offers complete systems for chemical oxygen demand (COD) analysis, with prepared COD reagents, a reactor, and spectrophotometers and.
Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.
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Dilution water prepared using alkaline permanganate will give the most The Hach COD vials can be used with any spectrophotometer that can fit the round ...
Hach Logo®. Hach One® Rinsing is more efficient when using deionized water. ... Use care when seating a vial into the COD/ TNT adapter (for COD 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.
