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POTTASIUM
META BI SULPHITE |
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| SPECIFICATION OF POT. META. BI SULPHITE (Co. Code No.PM1) |
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Sr.
No. |
Characteristics |
Specifications |
1. |
Physical
Appearance |
White Crystaline Powders |
2. |
Assay,
as K2S2O5 5 |
90% min. |
3. |
PH of 10% Solutions |
4 to 5 PH |
4. |
Clarity of 10% Solutions |
Clear & Colourless |
| 5. |
Insoluble Matter, Max. |
0.05% |
6. |
Iron (as Fe) |
5 ppm max |
7. |
Heavy metals (as Pb) |
10 ppm |
8. |
Thiosulphate |
1 max |
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SPECIFICATION OF POT. META. BI SULPHITE (Co. Code No. PM2) |
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Sr.
No. |
Characteristics |
Specifications |
1. |
Physical Appearance |
White Crystalline Powder |
2. |
Assay,
as K2S2O5 5 |
95% Min. |
3. |
PH of 10% Solution |
4 to 5 PH |
4. |
Clearity of 10% Solution |
Clear |
5. |
Insoluble Matter, Max. |
0.05% |
6. |
Iron ( as Fe) Max |
5ppm |
7. |
Heavy Metal ( as Pb) Max |
10ppm |
8. |
Thiosulphate Max. |
1% |
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