COD Designes vials shine ƙwararrun kwantena na kwastomomi don tantance buƙatar iskar oxygen (cod) na samfurin ruwa. COD shine ma'aunin adadin oxygen da ake buƙata don cheminiz na kwayoyin halitta da na ciki na cikin ruwa.
Wadannan vials yawanci ana yin su da gilashin mai inganci ko gilashin borosilicas, wanda yake tsayayya da halayen sunadarai kuma suna iya tsayayya da babban yanayin zafi da ake buƙata don tsari na yau da kullun. Ana tsara vials don riƙe takamaiman adadin samfurin ruwa da kuma reagents da ake buƙata don gwajin Cod.
