Bukatar iskar oxygen shine muhimmin gwaji don tantance ingancin magudanar ruwa da ruwan sharar ruwa kafin fitarwa. Gwajin Buƙatar Oxygen Oxygen (COD) yana annabta buƙatun iskar oxygen na magudanar ruwa kuma ana amfani dashi don saka idanu da sarrafa fitarwa, da kuma kimanta aikin shukar magani. An yi hasashen tasirin zubar da ruwa ko sharar ruwa a kan ruwan da ake samu ta hanyar bukatar iskar oxygen. Wannan shi ne saboda cire iskar oxygen daga ruwan halitta yana rage ikonsa na ci gaba da rayuwa a cikin ruwa. Don haka ana yin gwajin COD azaman na yau da kullun a dakunan gwaje-gwaje na abubuwan amfani da ruwa da kamfanonin masana'antu.

Tube Gwajin Aijiren COD ƙarami ne kuma mara nauyi. Ana iya gwada shi ba tare da wani kayan aikin dakin gwaje-gwaje da masu fasaha ba; yana ɗaukar mintuna 3-5 kawai don gwada samfurin, ba tare da ƙarin kayan aiki ko kayan aiki ba, kuma yana da sauƙin aiki.

Cikakken Bayanin Gwajin Buƙatar Oxygen:

Ana ƙara 2mL na ruwa ko samfurin ruwan watse a cikin bututun al'adun gilashin 16mm mai ɗauke da reagent na narkewa da mai kara kuzari. An lullube bututun da polypropylene, PTFE liyi hula da kuma mai zafi a cikin toshe digester a 150C na 2 hours. chromium Hexavalent orange an rage shi zuwa chromium mai launin kore mai launin kore. Matsakaicin ƙididdiga don hanyar spectrophotometric shine 5-150ppm (ana auna a 420nm).

Aijiren ya tsunduma cikin samar da bututun gwajin COD tare da iyakoki sama da shekaru goma, muna da cikakkiyar gogewa da ƙwarewa don samar da bututun gwajin COD tare da hula, kuma za mu iya ba da tabbacin ingancin bututun gwajin COD da Aijiren ya samar tare da farashi mai ma'ana.