NANOCOLOR® COD 40
Photometric determination of the COD
Photometric determination of decrease in chromate concentration after two hours and
oxidation with potassium dichromate/sulphuric acid/silver sulphate at 148 °C
This test is in accordance to the DIN ISO 15705:2003.
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
Cat. No. 985 027
Type tube test 0-27
Range 2 – 40 mg/l O2
Sufficient for 20 determinations
Shelf life at least 1 year at 2 – 8 °C
Sea water suitability no