cod test tube soplaya

A na-ejikarị Tube Test COD nke Aijiren mepụtara maka nyocha ịdịmma mmiri, nlekota gburugburu ebe obibi, nchọpụta ikuku oxygen na nyocha kemịkalụ ndị ọzọ. Nke a na-achọ ihe dị elu maka mmepụta nke COD Test Tube, ma na-achọ iko siri ike na inert maka mmepụta. Teknụzụ chọrọ maka ndị nrụpụta dị oke elu. Dị ka ụlọ ọrụ mmepụta ihe na ọtụtụ iri afọ nke mmepụta ahụmahụ, Aijiren nwere ike mfe ijikwa a ọrụ.

A na-ejikarị Tube Test COD nke Aijiren na-emepụta na ndị na-enyocha ihe chọrọ oxygen. Ebe ọ bụ na nnwale oxygen chọrọ kemịkalụ bụ nnwale nke chọrọ ihe reagents siri ike na-emebi emebi, Aijiren na-eji iko kachasị na-adịghị agwụ agwụ na nke kwụsiri ike iji mepụta Tube Test COD, nke Aijiren mepụtara. COD Test Tube na-emezu ihe ndị ahịa chọrọ maka nnwale oxygen chọrọ.

N'ime ule a, a na-eji oghere reagent kama oghere mmiri a na-emebu na-ezo aka na ntuziaka ọrụ fotometer izugbe. A na-akwadebe oghere reagent site n'ịgbakwunye mmiri deionized ma ọ bụ distilled na tube reagent wee gbarie tube ahụ n'otu ụzọ ahụ maka nlele mmiri.
Ọ dịghị mkpa ịkwadebe oghere reagent oge ọ bụla emere ule ahụ. Enwere ike ịkwado tube oghere reagent kwa izu ma jiri ya mee ihe ugboro ugboro yana ihe nlele niile akwadoro site na otu batch nke tubes reagent. Ekwesịrị ịchekwa oghere reagent n'ọchịchịrị n'etiti ojiji.

Ọchịchọ oxygen kemịkalụ bụ ule dị oke mkpa maka inyocha ịdị mma nke nsị na mmiri mkpofu tupu ebupụ ya. Nnwale Oxygen Oxygen Demand (COD) na-ebu amụma ihe oxygen chọrọ nke ihe na-esi na ya ma jiri ya mee ihe maka nlekota na njikwa nke mwepu, yana maka nyochaa arụmọrụ ụlọ ọrụ ọgwụgwọ. A na-ebu amụma mmetụta nke nsị ma ọ bụ mkpọpu mmiri na-enweta mmiri site na ọchịchọ oxygen ya. Nke a bụ n'ihi na mwepụ nke ikuku oxygen na mmiri eke na-ebelata ikike ya ịkwado ndụ mmiri. Ya mere, a na-eme ule COD dị ka ihe a na-eme na ụlọ nyocha nke ụlọ ọrụ mmiri na ụlọ ọrụ mmepụta ihe.

Site na nnwale tube Aijiren COD, onye ọrụ ọ bụla nwere ike ime nchọpụta mmiri nke ọma na nke ọma.
A na-ebelata oge achọrọ maka usoro nha nke ọma, ọkachasị maka nyocha ọkọlọtọ na nha usoro, ebe ọ na-ebelata oke ọrụ.
Igwe Nnwale COD nwere ezigbo dose nke reagent. Ya mere, a na-ezere ngwaahịa kemịkalụ gabigara ókè ma na-emeziwanye nchekwa ọrụ.

Nkọwa nke Nnwale Ọchịchọ Oxygen:

A na-agbakwunye 2mL nke mmiri ma ọ bụ mmiri watse na tube omenala 16mm nwere ihe mgbaze mgbaze na ihe na-akpali akpali. A na-ekpuchi tube ahụ na polypropylene, PTFE lined okpu ma kpoo ọkụ na ngọngọ digester na 150C maka awa 2. Chromium Hexavalent oroma na-ebelata ka ọ bụrụ chromium trivalent green. Usoro nyocha maka usoro spectrophotometric bụ 5-150ppm (a tụrụ na 420nm).

COD Tubetests ejiri mee ihe nwere sulfuric acid siri ike na kemịkalụ ndị ọzọ, yabụ a ga-ejizi nke ọma nke ọma. Ekwesịrị ikpochapụ ihe dị n'ime ọkpọkọ dịka ihe ndị ọchịchị obodo chọrọ.
Ndị a tubes ule bụ SGC asambodo. Enwere ike iji tubes ndị a naanị otu ugboro, yabụ enweghị ike ijikwa ha ọzọ.

Iji jiri igwe ọkụ dijitalụ maka ule COD, tọọ okpomọkụ na ngosipụta dijitalụ ka ọ bụrụ 150°C. Na ọnweghị akaụntụ, a ga-edobe ikpo ọkụ na okpomọkụ dị elu karịa nke akọwapụtara n'ihi na nke a nwere ike ịkpata ihe egwu site na nrụgide nrụgide na tubes COD.

Kwesịrị ekwesị maka colorimeters na ngwa ule na ahịa
Kwesịrị ekwesị maka ngwa na ngwa ule
Ọ dị mfe imeghe vials mechiri emechi na-ewepụ ihe ize ndụ nke mmetọ obe
Gbatịkwuo ndụ nchekwa ruo afọ ise
Ejiri ya mee nyocha mmiri mkpofu nke obodo; mmiri mkpofu ụlọ ọrụ na nyocha njikwa usoro; ule mmiri gburugburu

Mepee tube ule COD, jide ya n'otu akụkụ wee tinye nwayọọ nwayọọ
2.0 ml nke pretreated sample ngwọta si mmeghachi omume tube na-enweghị agwakọta nke mere na abụọ iche iche n'ígwé
na-akpụ akpụ.
Kpọchie okpu nke ọma iji nwalee tube, jide tube n'akụkụ okpu, tinye tube n'ime karama nchekwa wee maa jijiji
(Ịkpachara anya, ule tube na-aghọ ọkụ). Tinye tube n'ime ngọngọ kpo oku. Malite mmemme kpo oku.
Mgbe awa 2 gachara, wepụ tube ule na mgbochi kpo oku, kwe ka ọ dị jụụ ruo n'ime ụlọ ma maa jijiji nwayọ
ọtụtụ ugboro.
Hichaa n'èzí tube ule wee tụọ.
Gbanwee fotometer ka ọ bụrụ efu site na iji uru efu "NULL"

Ọchịchọ oxygen kemịkalụ bụ ule dị oke mkpa maka inyocha ịdị mma nke nsị na mmiri mkpofu tupu ebupụ ya. Nnwale Oxygen Oxygen Demand (COD) na-ebu amụma ihe oxygen chọrọ nke ihe na-esi na ya ma jiri ya mee ihe maka nlekota na njikwa nke mwepu, yana maka nyochaa arụmọrụ ụlọ ọrụ ọgwụgwọ. A na-ebu amụma mmetụta nke nsị ma ọ bụ mkpọpu mmiri na-enweta mmiri site na ọchịchọ oxygen ya. Nke a bụ n'ihi na mwepụ nke ikuku oxygen na mmiri eke na-ebelata ikike ya ịkwado ndụ mmiri. Ya mere, a na-eme ule COD dị ka ihe a na-eme na ụlọ nyocha nke ụlọ ọrụ mmiri na ụlọ ọrụ mmepụta ihe.

Site na nnwale tube Aijiren COD, onye ọrụ ọ bụla nwere ike ime nchọpụta mmiri nke ọma na nke ọma.
A na-ebelata oge achọrọ maka usoro nha nke ọma, ọkachasị maka nyocha ọkọlọtọ na nha usoro, ebe ọ na-ebelata oke ọrụ.
Igwe Nnwale COD nwere ezigbo dose nke reagent. Ya mere, a na-ezere ngwaahịa kemịkalụ gabigara ókè ma na-emeziwanye nchekwa ọrụ.

A na-eji nyocha nke Chemical Oxygen Demand (COD) mee ihe n'ọtụtụ ebe dị ka ihe nleba anya nke mmetọ organic site na ịchọpụta ọnụọgụ oxygen achọrọ maka oxidation nke ụdị dị mbelata gụnyere ihe ndị dị ndụ, n'ime ihe nlele mmiri na-eji ihe pụrụ iche oxidizing, okpomọkụ na mbelata oge. Nnwale COD bụ ezigbo ihe ngosipụta nke mmetọ organic na mmiri mkpofu ụlọ ọrụ nwere cyanide na ọla dị arọ. Nnwale COD na-enye nzaghachi ngwa ngwa maka ọnọdụ mgbanwe tupu nsogbu dị egwu amalite. Vial COD nke Lovibond dakọtara na BOTH Lovibond na Hach® colorimeters.