NANOCOLOR® COD 4000
Photometric determination of the COD
Photometric determination of chromium(III) concentration after two hours of oxidation with potassium dichromate/sulphuric acid/silver sulphate at 148 °C
The chemical oxygen demand of a water is determined by silver-catalysed oxidation with potassium dichromate/sulphuric acid at 148 °C during a two hour period.
Data and ordering information
REF 985 011
Type tube test 0-11
Range 400 – 4000 mg/L O2
Sufficient for 20 determinations
Shelf life at least 1 year at 15 – 25 °C
Sea water suitability no
