NANOCOLOR® COD 60000
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
Cat. No.	985 012
Type	tube test 0-12
Range	5.0 - 60.0 g/l O2
Sufficient for	20 determinations
Shelf life	at least 1 year at 15 – 25 °C
Sea water suitability	no