Reagents for COD measurement by photometry

Prepared vials of 16mm for COD determination, compatible with PrimeLab 1.0 Multitest photometer of WATER-ID, and also with photometers from other companies like LOVIBOND, WTW, MACHEREY-NAGEL, MERCK, HANNA, AQUALYTIC, PALIN, BIOCHROM, HACH and any manufacturer using 16 mm vials. Each vial contains 3.3 ml (of which 2.4 ml is sulfuric acid)