The Ultimate Guide To COD test in pharma
Put together the reagent blank by eradicating the COD vial cap and pipetting deionized h2o in lieu of sample to the vial. Among 95-one hundred% of all natural and organic materials might be oxidized by dichromate. Once dichromate oxidizes a substance It truly is transformed to the trivalent type of chromium, that is a boring eco-friendly colorati