Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the.
The BOD test is used to measure waste loads to treatment plants, determine plant efficiency (in terms of BOD removal), and control plant processes. It is also
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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. Why test for COD?
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Jan 16, 2013 12:30 Dissolved Oxygen (DO) Presentation. 1:30 Biochemical Oxygen Demand (BOD) Presentation. Chemical Oxygen Demand (COD) Presentation.
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