Chaw Tsim Khoom Zoo Tus Nqi Sodium metabisulfite CAS: 7681-57-4

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Sodium metabisulfite: (qib kev lag luam) Sodium metabisulfite (tshuaj mis: Na2S2O5) zoo li cov khoom dawb crystalline lossis hmoov khoom nrog me ntsis tsw sulfur. Nws yog lom thaum nqus pa thiab tuaj yeem ua rau khaus tawv nqaij thiab cov ntaub so ntswg. Nws tuaj yeem decomposed kom tso tawm cov pa lom oxide ntawm sulfur thiab sodium thaum kub siab. Nws tuaj yeem sib xyaw nrog dej los ua cov kua qaub corrosive. Nws feem ntau yog siv ua tshuaj tua kab mob, antioxidant, thiab preservative agent nrog rau cov tshuaj reagent hauv chav kuaj. Ua ib hom khoom noj khoom haus ntxiv, nws tuaj yeem siv ua preservative thiab antioxidant hauv zaub mov. Nws kuj tuaj yeem siv rau kev ua cawv thiab npias. Ntxiv mus, nws tuaj yeem siv los ntxuav cov khoom siv ntawm homebrew thiab winemaking ua tus neeg sawv cev ntxuav. Nws kuj muaj ntau yam kev siv lwm yam, piv txwv li siv rau kev thaij duab, ua cov khoom siv hauv qee cov ntsiav tshuaj, rau kev kho dej, ua qhov chaw ntawm SO2 hauv cawv, ua cov kab mob thiab ua cov tshuaj bleaching nrog rau tus neeg sawv cev txo qis. Nws tuaj yeem tsim los ntawm kev ua kom cov sodium bisulfite uas tau saturated nrog sulfur dioxide. Yuav tsum tau ceev faj tias sodium metabisulfite muaj qee yam teebmeem rau lub cev ua pa, qhov muag thiab daim tawv nqaij. Yog tias mob hnyav, nws tuaj yeem ua rau ua pa nyuaj thiab ua rau lub ntsws puas tsuaj uas thaum kawg ua rau tuag. Yog li ntawd, yuav tsum muaj kev tiv thaiv zoo thiab kev saib xyuas thaum lub sijhawm phais.
Sodium metabisulfite CAS 7681-57-4
Lub Npe Khoom: Sodium metabisulfite

CAS: 7681-57-4

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Sodium Metabisulphite

Sodium metabisulfite, SO2 58.5%feeb;disodiummetabisulfite;

disodiumpyrosulphite fertisilo;

metabisulfitedesodium; Sodiummetabisufite; SodiumMetabisulphiteAcs; SodiumMetabisulphiteExtraPure

Cov ntawv thov ntawm Sodium metabisulfite

Sodium metabisulfite Sodium Metabisulphite, tsim cov sodium metabisulfite los ntawm kev cuam tshuam cov sulfur dioxide nrog sodium carbonate (soda ash), purifying thiab ziab kom ua cov siv lead ua los yog hmoov.
Na2CO3 + 2SO2 → Na2S2O5 + CO2
Sodium metabisulfite (SMBS, Sodium disulfite) yog cov ntsev sodium dawb, granular khov kho. Ib qho inorganic compound ua los ntawm sodium, sulfur, thiab oxygen, thiab siv rau ntau yam lag luam:
1.Hauv kev lag luam pulp thiab ntawv, hauv kev lag luam thaij duab thiab hauv ntau yam kev lag luam ua cov tshuaj dawb lossis dechlorinator.
2. Cov khoom noj khoom haus sodium metabisulfite siv tau ua cov tshuaj preservative. Nws kuj tseem siv tau rau ntau yam khoom noj thiab cawv ua cov tshuaj preservative.
3. Sodium metabisulfite kuj tseem siv tau rau hauv kev tsim cov tshuaj lwm yam, Siv rau hauv kev tsim cov tshuaj ntxuav, cov tshuaj ntxuav tes, thiab xab npum.
4. Nws kuj ua haujlwm ua tus neeg tiv thaiv kev xeb hauv kev lag luam roj thiab roj, ua tus neeg sawv cev dawb hauv kev tsim cov txiv maj phaub qab zib, ua qhov chaw ntawm sulfur dioxide thiab hauv kev puas tsuaj ntawm cyanide hauv cov txheej txheem kub cyanidation lag luam.
5. Kev lag luam khawb kub: Nws yog siv rau hauv cov nag ntawm kub los ntawm auric acid nrog rau hauv cov dej khib nyiab kho kom tshem tawm hexavaent chromium ua trivalent chromium los ntawm nag tom qab txo qis.
6. Tshuaj tiv thaiv hauv cov duab tsim cov kev daws teeb meem, nws yog siv rau hauv kev thaij duab.
7. Kev tshem tawm cov pa oxygen: nws ua si ua tus neeg tshem tawm cov pa oxygen kom tshem tawm cov pa oxygen uas yaj hauv cov dej khib nyiab thiab hauv cov kav dej.
8. Sodium metabisulfite yuav siv tau ua tus pib thaum lub sijhawm sib txuas ntawm polybutadiene hauv cov cores ntawm cov vesicle membranes.
9. Nws yuav raug ntxiv ua ib qho antioxidant thaum lub sijhawm npaj cov tshuaj 6-hydroxydopamine hauv ntau txoj kev tshawb fawb.
10. Kev tshem cov tshuaj chlorine hauv cov dej khib nyiab hauv nroog, cov ntawv thiab cov ntawv, hluav taws xob, thiab cov chaw kho dej textile.