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Chemical Oxygen Demand (COD) Analysis

Chemical Oxygen Demand (COD) Analysis

The Chemical Oxygen Demand (COD) of water is determined by dichromate method after digestion.

VWR offers 2 solutions to measure COD:

  • Rapid method
  • Official method

COD Rapid Method, Merck

COD Rapid Method, Merck

A broad range of cuvette tests for COD, also for samples with high chloride content, 3 models of thermoreactors, standards and spectrophotometers.

    COD Rapid Method, Hach

    COD Rapid Method, Hach

    Complete systems for COD analysis, high range of prepared COD reagents (no dilution of the sample is needed), a reactor and spectrophotometers.

      COD Official Method

      COD Official Method

      The sample is firstly mineralised in a manual or automatic digestion unit with adequate reagents.