Usoro nleba anya nke ikuku oxygen (COD), ma ọ bụ usoro reflux, usoro ngwa ngwa ma ọ bụ usoro fotometric, na-eji potassium dichromate dị ka oxidant, sulfate ọlaọcha dị ka ihe na-akpali akpali, na mercury sulfate dị ka onye na-ekpuchi ihe maka ion chloride. N'okpuru ọnọdụ acidic nke sulfuric acid Mkpebi nke usoro mkpebi COD dabere na usoro mgbaze. Na ndabere a, ndị mmadụ emeela ọtụtụ ọrụ nyocha maka ebumnuche nke ịchekwa reagents, ibelata oriri ike, na-eme ka ọrụ ahụ dị mfe, ngwa ngwa, ziri ezi na ntụkwasị obi. Usoro mgbaze ngwa ngwa spectrophotometric na-ejikọta uru nke ụzọ ndị a dị n'elu. Ọ na-ezo aka na iji tube mechiri emechi dị ka tube mgbaze, na-ewere obere ihe nlele mmiri na reagents na tube a na-emechi emechi, na-etinye ya na obere okpomọkụ digester, na-ekpo ọkụ na okpomọkụ mgbe niile maka mgbaze, na iji spectrophotometer COD uru bụ. kpebisiri ike site na fotometry; nkọwapụta nke tube mechiri emechi bụ φ16mm, ogologo ya bụ 100mm ~ 150mm, oghere na ọkpụrụkpụ mgbidi nke 1.0mm ~ 1.2mm bụ ọnụ na-agba agba, na-agbakwunye mkpuchi mkpuchi gburugburu. Igwe a na-emechi emechi nwere nguzogide acid, oke okpomọkụ na-eguzogide, nrụgide nrụgide na ihe mgbawa. Enwere ike iji tube mechiri emechi maka mgbaze, nke a na-akpọ tube mgbaze. Enwere ike iji ụdị tube ọzọ a na-emechi emechi maka mgbaze, a pụkwara iji ya mee ihe dị ka tube colorimetric maka colorimetry, nke a na-akpọ tube colorimetric digestion. Obere ihe na-ekpo ọkụ na-ekpo ọkụ na-eji ihe mgbochi aluminom dị ka anụ ahụ na-ekpo ọkụ, a na-ekesakwa oghere ndị na-ekpo ọkụ. The oghere dayameta bụ φ16.1mm, oghere omimi bụ 50mm ~ 100mm, na set kpo oku okpomọkụ bụ mgbaze mmeghachi omume okpomọkụ. N'otu oge ahụ, n'ihi nha kwesịrị ekwesị nke tube a na-emechi emechi, mmiri mmiri mmeghachi omume mgbaze na-enwe oke kwesịrị ekwesị nke oghere dị na tube a na-emechi emechi. A na-etinye akụkụ nke tube mgbaze nke nwere reagents n'ime oghere kpo oku nke onye na-ekpo ọkụ, na ala nke tube ahụ mechiri emechi na-ekpo ọkụ na okpomọkụ nke 165 ° C mgbe niile; akụkụ elu nke tube a na-emechi emechi dị elu karịa oghere kpo oku ma kpughee oghere ahụ, a na-agbadakwa elu ọnụ tube ahụ ruo ihe dịka 85 Celsius C n'okpuru ikuku oyi; Ọdịiche dị na ọnọdụ okpomọkụ na-eme ka mmiri mmiri mmeghachi omume dị na obere tube a kpuchiri ekpuchi nọ na ọnọdụ reflux dị ntakịrị na-ekpo ọkụ na okpomọkụ a mgbe niile. The kọmpat COD reactor nwere ike nabata 15-30 akara tubes. Mgbe ejiri tube mechiri emechi maka mmeghachi omume mgbaze, enwere ike ịme nha ikpeazụ na fotometer site na iji cuvette ma ọ bụ tube colorimetric. Enwere ike tụọ ihe nlele nwere ụkpụrụ COD nke 100 mg / L ruo 1000 mg / L na ogologo ogologo nke 600 nm, na ihe atụ nwere uru COD nke 15 mg / L ruo 250 mg / L nwere ike tụọ na ogologo wavelength nke 440 nm. Usoro a nwere njiri mara nke obere ọrụ ohere, obere ume ike, obere oriri reagent, obere mmiri mkpofu, obere ike oriri, ọrụ dị mfe, nchekwa na kwụsie ike, ziri ezi na ntụkwasị obi, dabara adaba maka mkpebi siri ike, wdg, na-eme ka elu. maka adịghị ike nke kpochapụwo ọkọlọtọ usoro.
Lianhua COD precast reagent vials usoro ọrụ:
1. Were ọtụtụ COD precast reagent vials (nso 0-150mg/L, ma ọ bụ 20-1500mg/L, ma ọ bụ 200-15000mg/L) na-etinye ha na ule tube ogbe.
2. Were 2ml nke mmiri a na-agbanye n'ụzọ ziri ezi ma tinye ya na tube reagent nke 0. Were 2ml nke nlele a ga-anwale n'ime tube reagent ọzọ.
3. Mee ka okpu ahụ sie ike, maa jijiji ma ọ bụ jiri mixer gwakọta ngwọta ahụ nke ọma.
4. Tinye tube ule n'ime digester ma gbarie na 165 ° maka nkeji 20.
5. Mgbe oge gafere, wepụ tube ule ma hapụ ya maka nkeji 2.
6. Tinye tube ule n'ime mmiri oyi. Nkeji 2, dị jụụ ruo n'ọnụ ụlọ.
7. Hichapụ mgbidi dị n'èzí nke tube ule, tinye nọmba 0 tube n'ime COD photometer, pịa bọtịnụ "Blank", na ihuenyo ga-egosipụta 0.000mg / L.
8. Debe tubes ule ndị ọzọ n'usoro wee pịa bọtịnụ "TEST". A ga-egosipụta uru COD na ihuenyo. Ị nwere ike pịa bọtịnụ mbipụta ka ibipụta nsonaazụ ya.
Oge nzipu: Mee-11-2024
