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.