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| Sodium Thiosulphate Crystals |
SODIUM THIOSULPHATE CRYSTALS (Na2S2O3.5H2O),
M.W. : 248.19 g/mol. CAS No. 10102-17-7
SODIUM HYPOSULPHATE PENTANYDRATE , HYPO |
| SPECIFICATION |
| Physical Appearance |
White Crystals. |
| Appearance of Solution |
A 20% solution in distilled water should be clear and colourless |
| Assay as Na2S2O3.5H2O |
97.0% Min. W/W. |
| pH of 10% Solution |
6.5 to 8.5 at Room Temp. |
| Sulphide as Na2S |
0.002% Max. |
| Sulphate as So4 |
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 |
25 Kg / 50Kg / 50Lb |
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