|
ANALYSIS OF
SODIUM SULFITE |
| |
|
| Chemical Formula |
Na2SO3 |
| Specification |
|
| Na2SO3 |
97.5 % |
| SO2 |
49 % |
| Thiosulfate (as S2O32-) |
0.015 |
| PH value (10% solution) |
10.5 |
| Heavy metal as Pb |
10 > |
| Arsenic |
0.3 > |
| Selenium |
0.2 > |
| Iron |
10 > |
| Insoluble matter |
0.05 |
| Na2SO4 |
Remainder |
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