| Sodium Metabisulphite Wt., % |
29.1 min. |
| S.G. at 20°C |
1.25 ±0.05 |
| pH |
4.0 - 4.5 |
| Sodium Sulphite Wt., % |
0.6 max. |
| Sodium Sulphate Wt., % |
0.3 max. |
| Sulphur Dioxide Wt., % |
19.5 min. |
| Chloride, % |
0.0015 max. |
| Iron as Fe, % |
0.0009 max. |
| Heavy Metals (Pb), ppm |
6.05 max. |
PACKING : In 50 kg net iron drum
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