Tlhokahalo ea oksijene ea lik'hemik'hale ke teko ea bohlokoa bakeng sa ho lekola boleng ba litšila le metsi a litšila pele a tsoa. Teko ea Chemical Oxygen Demand (COD) e bolela esale pele tlhokeho ea oksijene ea litšila 'me e sebelisoa bakeng sa ho beha leihlo le ho laola phallo e tsoang, le ho lekola tšebetso ea semela sa kalafo. Tšusumetso ea phallo ea metsi a litšila kapa metsi a litšila metsing a amohelang e boleloa esale pele ke tlhoko ea ona ea oksijene. Lebaka ke hobane ho ntšoa ha oksijene metsing a tlhaho ho fokotsa matla a ’ona a ho boloka bophelo ba metsing. Teko ea COD ka hona e etsoa e le tloaelo lilaboratoring tsa lits'ebeletso tsa metsi le lik'hamphani tsa indasteri.

Aijiren COD Test Tube e nyane ka boholo ebile e bobebe ka boima. E ka lekoa ntle le lisebelisoa tse ling tsa laboratori le litsebi; ho nka metsotso e 3-5 feela ho leka sampole, ntle le lisebelisoa kapa lisebelisoa tse eketsehileng, 'me ho bonolo ho e sebetsa.

Lintlha tsa Teko ea Tlhokahalo ea Oksijene ea Lik'hemik'hale:

2mL ea sampole ea metsi kapa ea watse e kenyelletsoa ka har'a tube ea khalase ea 16mm e nang le reagent ea ho sila lijo le sesebelisoa. The tube e kenngoe ka polypropylene, PTFE lined cap, 'me e futhumatsoa ka block digester ka 150C bakeng sa 2 lihora tse. Orange Hexavalent chromium e fokotsehile ho chromium e botala bo botala. Mokhoa oa ho hlahloba mokhoa oa spectrophotometric ke 5-150ppm (e lekantsoeng ho 420nm).

Aijiren e 'nile ea kenya letsoho tlhahisong ea COD test tube le Caps ka lilemo tse fetang leshome, re na le phihlelo e ruileng ka ho feletseng le mekhoa e tloaelehileng ea ho hlahisa COD test tube e nang le cap,' me re ka tiisa boleng bo phahameng ba COD test tube e hlahisoang ke Aijiren ka theko e utloahalang.