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| Sodium Meta Bisulphite |
| SODIUM METABISULPHITE (Na2S2O5),
M.W. : 190.10 g / mol. CAS No. 7681-57-4 |
| SPECIFICATION |
| Physical Appearance |
White free flowing powder Free from lunps and externals
visibal impurities. |
| Appearance of Solution |
A 20% solution in distilled water should be
clear and colourless |
| Assay as Na2S2O5 |
96.0 % Min. W/W. |
| PH of 10% Solution |
3.5 to 5.5 at room temp. |
| Thiosulphate containt |
0.1 % Max. |
Insolubels mater as
Ca, Mg and NH4OH |
0.4 % Max. |
|
Iron as Fe |
0.005 % Max. |
| Heavy Metals as Pb |
0.005 % Max. |
| Packing |
25kg / 50kg / 50Lb |
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