COD Reagent vial yana nufin takamaiman nau'in vial da aka yi amfani dashi a cikin binciken sunadarai don auna buƙatun oxygen na sinadarai (COD) na samfurin ruwa. COD shine ma'aunin adadin oxygen da ake buƙata don cheminiz na kwayoyin halitta na kwayoyin halitta da na ciki na cikin samfurin ruwa.
Cod Reagent vial ya ƙunshi sinadarai masu mahimmanci da kuma reagents don sauƙaƙe amsar shaka-isaka. Yawancin lokaci ya hada da cakuda da wakilan opidizing, kamar potassium permanganate, tare da wasu sinadarai waɗanda ke taimakawa fara da hanzarta aiwatar da iskar shaka.