Chemical oxygen demand (COD) is one of the most important indexes to assess the pollution of organic compounds in water systems [1] . In China, potassium
The dichromate ion (Cr2O72-) has proven itself to be best suited for general purpose COD and is required in all approved methods. Approved Methods. There are
Zero the instrument using the blank vial. Read the samples. Which method is best for me? While both methods are EPA-approved, they have their own advantages and
Portable COD Analyzer providing rapid, accurate results in less than 15 minutes — without the use of harmful chemicals including dichromate and mercury.
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BOD (biochemical oxygen demand); COD (chemical oxygen demand) Specialized 300 mL BOD bottles designed to allow full filling with no air space and ...
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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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Chemical oxygen demand (COD) is defined as the amount of a specified oxidant that reacts with the sample Approved by Standard Methods Committee, 1997.
Results 1 - 20 of 105 Search results for Chemical Oxygen Demand : Chemical Oxygen Demand (COD) TNTplus Vial Test, HR (20-1500 mg/L COD), 25 Tests.
CHEMetrics, Inc., manufactures a quality, cost-effective line of reagent vials for performing Chemical Oxygen Demand (COD) analysis. Both USEPA-Approved and
