Taw qhia
Lub npe: Sodium metabisulfite
CAS Nr: 7681-57-4
Cov mis mos molecular: H2O5S2.2Na
Sodium metabisulfite yog dawb los yog me ntsis daj crystalline hmoov. Soluble nyob rau hauv dej, aqueous kua yog acidic. Soluble hauv glycerol, me ntsis soluble hauv ethanol. Siv nyob rau hauv kev lag luam khoom noj khoom haus raws li bleaching tus neeg saib xyuas, preservative, loosening tus neeg saib xyuas, antioxidant, xim tiv thaiv tus neeg saib xyuas thiab preservative.
Specifications
|
Yam khoom |
Specifications |
Cov txiaj ntsig | |||
| Na2S205 cov ntsiab lus w/% | Ntau dua lossis sib npaug rau 96.5 | 97.07 | |||
| Hlau (Fe) w/% | Tsawg dua lossis sib npaug rau 0.003 | 0.0020 | |||
| Ntshiab | Los ntawm kev sim | Tsim nyog | |||
| Arsenic (As) mg/kg | Tsawg dua los yog sib npaug rau 1.0 | ＜1.0 | |||
| Cov hlau hnyav (raws li Pb) mg/kg | Tsawg dua lossis sib npaug rau 5.0 | ＜5.0 | |||
Ntim: 25kg / hnab
Lwm yam kev qhia tshwj xeeb thiab ntim khoom tuaj yeem muab tau raws li qhov xav tau.
Peb Qhov Zoo
- Cov nqe lus them nqi: Cov nqe lus them nqi yooj yim tau txais kev txhawb nqa. Xws li O / A, T / T, D / A, D / P, L / C.
- MOQ: Peb txhawb nqa qhov kev txiav txim yam tsawg kawg nkaus ntawm 1 lub nruas lossis lub hnab.
- Khoom specifications & hom: Cov khoom ntawm txawv specifications thiab hom yuav muab tau raws li xav tau.
- Nqe ntawm Cov Khoom: Cov khoom sib tw nqi.
- Cov qauv: Cov qauv pub dawb muaj, tab sis cov nqi thauj khoom yuav nyob ntawm koj tus as khauj thiab cov nqi them tuaj yeem txiav tawm ntawm koj qhov kev txiav txim yav tom ntej.
- Peb tau tsim kom muaj kev sib raug zoo nrog kev koom tes ntev thiab ruaj khov nrog cov tuam ntxhab thiab cov muag khoom hauv ob lub teb chaws thiab thoob ntiaj teb.
- Peb muaj kev thauj mus los zoo meej thiab txhawb nqa LCL nrog rau lwm yam khoom.
Daim ntawv thov
1. Sodium metabisulfite yog siv nyob rau hauv kev lag luam khoom noj khoom haus raws li ib tug bleaching agent, preservative, loosening agent, antioxidant, xim tiv thaiv tus neeg saib xyuas thiab preservative.
2. Sodium metabisulfite yog industrially siv nyob rau hauv printing thiab dyeing, organic synthesis, luam ntawv, tanning, kws tshuaj thiab lwm yam departments; siv los ua preservative, bleaching agent thiab loosening agent hauv kev ua zaub mov.
Chemical & Physical Properties
|
Cov mis mos molecular |
H2O5S2.2Na |
|
Molecular hnyav |
192.12 |
|
CAS Nr |
7681-57-4 |
|
EINECS NO |
231-673-0 |
|
Qhov ntom |
1.48 |
|
Qhov tshwm sim |
Dawb rau me ntsis daj |
|
Melting point |
>300 degree (lit.) |
|
Solubility |
540g / l (20 degree) |
Yog tias koj nrhiav tsis tau qhov koj xav tau, thov xa ib tsab ntawv los qhia peb txog koj cov kev xav tau, peb yuav teb thiab muab cov khoom tsim nyog tshaj plaws thiab ntim rau koj sai li sai tau.
Cim npe nrov: sodium metabisulfite cas 7681-57-4 h2o5s2.2na, Tuam Tshoj sodium metabisulfite cas 7681-57-4 h2o5s2.2na manufacturers
