NANOCOLOR® COD 160 Hg-free Photometric determination of the COD without use of mercury salts Photometric determination of decrease in chromate concentration after two hours and oxidation with potassium dichromate/sulphuric acid/silver sulphate at 148 °C without use of toxic mercury salts Read More »

NANOCOLOR® COD 160 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. Read More »