| Model: | - |
|---|---|
| Brand: | ZH |
| Origin: | - |
| Category: | Chemicals / Inorganic Chemical Materials / Inorganic Salt |
| Label: | DYESTUFF , FOOD ADDITIVE , INORGANIC |
| Price: |
-
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| Min. Order: | - |
| Live Chat: | Last Online:22 Nov, 2010 |
Description: Sodium metabisulfite 64% min
Abbr.: SMBS
Another name: Sodium pyrosulfite
Sodium metabisulphite
Formula: Na2S2O5
CAS No.: 7681-57-4
Usage: Sodium metabisulphate (SMBS) is used as a food additive, leaching agent for textile fibres;
Colors stripper and dechlorination; Preparation of Indigo Vat Dye; Solubilizing And acidyfing agent for leather industries; Bleaching agent for paper pulps;
Preservative and sterilisation agent for food industries
|
No. |
Specifications |
Industrial Grade |
Food Grade |
|
1 |
Na2S2O5%≥ |
96.0 |
68.0 |
|
2 |
SO2%≥ |
64.0 |
64.0 |
|
3 |
Iron(Fe)%≤ |
0.005 |
0.005 |
|
4 |
Water insolubles%≤ |
0.05 |
0.05 |
|
5 |
PH |
4.0-4.6 |
4.0-4.6 |
|
6 |
Arsenic(As)%≤ |
0.01 |
0.002% |
|
7 |
Heavy metals, as Pb %≤ |
|
0.002% |
