Gwajin COD shine mafi kyawun nuni na gurɓataccen yanayi a cikin ruwan sharar masana'antu mai ɗauke da cyanides da ƙarfe masu nauyi. Gwajin COD yana ba da saurin amsawa ga yanayin canzawa kafin matsaloli masu mahimmanci su haɓaka. 

A cikin wannan gwajin ana amfani da blank reagent maimakon ruwan da aka saba da shi wanda ake magana a kai a cikin umarnin aiki na photometer gabaɗaya. Ana shirya blank na reagent ta hanyar ƙara ruwa mai narkewa ko distilled zuwa bututun reagent sannan a narkar da bututun kamar yadda na samfurin ruwan.
Ba lallai ba ne a shirya reagent blank a duk lokacin da aka gudanar da gwajin. Za a iya shirya bututun da ba shi da reagent kowane mako kuma a yi amfani da shi akai-akai tare da duk samfuran da aka shirya daga bututun reagent iri ɗaya. Ya kamata a adana blank ɗin reagent a cikin duhu tsakanin amfani.

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 cikin dakunan gwaje-gwaje na abubuwan amfani da ruwa da kamfanonin masana'antu.

Tare da gwajin bututun Aijiren COD, kowane mai amfani zai iya yin saurin gano ruwa mai mahimmanci da inganci.
Lokacin da ake buƙata don tsarin ma'auni yana raguwa sosai, musamman don daidaitattun ƙididdiga da ma'auni, yayin da rage yawan aikin aiki.
Bututun gwajin COD yana ƙunshe da madaidaicin kashi na reagent. Don haka, ana nisantar kiryar sinadarai fiye da kima kuma ana inganta amincin 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).

COD Tubetests da aka yi amfani da su sun ƙunshi sulfuric acid mai ƙarfi da sauran sinadarai, don haka dole ne a kula da reagents a hankali. Abubuwan da ke cikin bututu ya kamata a zubar da su daidai da bukatun hukumomin gida.
Waɗannan bututun gwaji suna da bokan SGC. Ana iya amfani da waɗannan bututu sau ɗaya kawai, don haka ba za a iya sake amfani da su ba.

Don amfani da hita dijital don gwajin COD, saita zafin jiki akan nunin dijital zuwa 150°C. Babu wani asusu dole ne a saita injin huta a mafi girman zafin jiki fiye da wanda aka ƙayyade saboda wannan na iya haifar da haɗari ta hanyar haɓaka matsi a cikin bututun COD.

Ya dace da masu launi da kayan gwaji a kasuwa
Hakanan ya dace da kayan aiki da kayan gwaji
Sauƙaƙen buɗaɗɗen buɗaɗɗen kwalayen da aka rufe suna kawar da haɗarin kamuwa da cuta
Tsawaita rayuwar shiryayye zuwa shekaru biyar
Ana amfani da shi don gwajin ruwan sha na birni; gwajin ruwa na masana'antu da gwajin sarrafawa; gwajin ruwan muhalli

Buɗe bututun gwajin COD, riƙe shi a kusurwa kuma ƙara a hankali
2.0 ml na pretreated samfurin bayani daga dauki tube ba tare da hadawa sabõda haka, biyu raba yadudduka
Aikace-aikace
Matsar da hula amintacce don gwada bututu, riƙe bututu ta hula, sanya bututun cikin kwalaben aminci kuma girgiza
(A hankali, bututun gwaji ya zama zafi). Sanya bututu a cikin toshe dumama. Fara shirin dumama.
Bayan sa'o'i 2, cire bututun gwaji daga toshewar dumama, ba da damar yin sanyi zuwa zafin daki kuma girgiza a hankali
Reagent kwalban
Tsaftace wajen bututun gwaji kuma auna.
Daidaita photometer zuwa sifili ta amfani da fanko darajar "NULL"

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 cikin dakunan gwaje-gwaje na abubuwan amfani da ruwa da kamfanonin masana'antu.

Tare da gwajin bututun Aijiren COD, kowane mai amfani zai iya yin saurin gano ruwa mai mahimmanci da inganci.
Lokacin da ake buƙata don tsarin ma'auni yana raguwa sosai, musamman don daidaitattun ƙididdiga da ma'auni, yayin da rage yawan aikin aiki.
Bututun gwajin COD yana ƙunshe da madaidaicin kashi na reagent. Don haka, ana nisantar kiryar sinadarai fiye da kima kuma ana inganta amincin aiki.

Ana amfani da gwajin Buƙatar Oxygen Oxygen (COD) ko'ina a matsayin ma'auni na gurɓataccen ƙwayar cuta ta hanyar ƙayyade adadin iskar oxygen da ake buƙata don iskar oxygen da rage yawan nau'in halitta ciki har da kwayoyin halitta, a cikin samfurin ruwa ta yin amfani da takamaiman nau'in oxidizing, zafin jiki da rage lokaci. Gwajin COD shine mafi kyawun nuni na gurɓataccen yanayi a cikin ruwan sharar masana'antu mai ɗauke da cyanides da ƙarfe masu nauyi. Gwajin COD yana ba da saurin amsawa ga yanayin canzawa kafin matsaloli masu mahimmanci su haɓaka. Lovibond's COD vials sun dace da BOTH Lovibond da Hach® masu launi.