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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.
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USEPA-approved Mercury-free COD kits CHEMetrics' leakproof reagent vials contain premeasured solutions of sulfuric acids and potassium dichromate. To perform
Mar 31, 2016 By examining five pilot air pollution (sulfur dioxide) and water pollution (chemical oxygen demand) trading schemes in China through a ...
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The HI93754E-25 reagents vials follow the mercury-free method for the medium range determination of chemical oxygen demand (COD) using a compatible benchtop
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COD testing typically involves digestion of the water sample in a sealed vial with potassium dichromate and sulfuric acid at 150C for 2 hours. Vials are read in
Reagecon's COD Reagent Vials can be used in conjunction with the Aqualytic PC Spectro, PC Compact Vario and Hach® spectrophotometers. We also offer a COD
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