Funktionalitet
1. renhed: 90%, 93%, 96%
2. CAS-nr.: 7757-83-7
3.MF: Na2SO3
4. udseende: hvidt krystal pulver
5.HS KODE: 28321000
6. molvægt: 126.04
7. Application:bleaching agent for paper pulps ,waste water treatment, bleaching agent for mining industry, colors stripper and deoxidization ,auxiliary chemical in tanning process .
8.Package: Sodium sulfite is packed in net weight 25kg plstic woven bag with plastic inner bag. or as customers' request 25tons/20'FCL.
Vare | Teknisk karakter | Teknisk karakter |
Na2SO3 | ≥ 96% | ≥ 93% |
Gratis alkali | ≤0.4 % | ≤0.5 % |
Jern | ≤0.005 % | ≤0.01 % |
Vanduopløseligt stof | ≤0.05 % | ≤0.1 % |
Sodium Sulfate(Na2SO4) | ≤2.0 % | ≤1.5 % |
NaCl | ≤0.5 % | ≤1% |
Anvendelse
Blegemiddel til papirmasser, Behandling af spildevand, Blegemiddel til minedrift, Farver stripper og deoxidisering, Hjælpekemikalie ved garvning
Specifikationer
Vare | Teknisk karakter | Teknisk karakter |
Na2SO3 | ≥ 96% | ≥ 93% |
Gratis alkali | ≤0.4% | ≤0.5% |
Jern | ≤0.005% | ≤0.01% |
Vanduopløseligt stof | ≤0.05% | ≤0.1% |
Natriumsulfat (Na2SO4) | ≤2.0% | ≤1.5% |
NaCl | ≤0.5% | ≤1% |