 |
 |
| |
| Products |
| |
| SODIUM
META BI SULPHITE |
|
SR.
No.
|
Characteristics
|
|
Specifications
|
| 1.
|
Physical Appearance |
:
|
White Crystaline Powder |
| 2.
|
Assay as Na2S2O5 |
:
|
95% min. |
| 3.
|
Assay as SO2% |
:
|
65% min |
| 4.
|
Ph of 20% Solution |
:
|
3.9 to 4.7 |
| 5.
|
Clarity of 10% Solution |
:
|
Clear & colourless |
| 6. |
Iron
content |
:
|
5
PPM max |
| 7. |
Sodium Sulphate |
:
|
4.0% max |
| 8. |
Heavy Metals(As pb) |
:
|
10 PPM max |
| 9. |
Thiosulphate (as S2O3) |
:
|
0.1%
max |
| 10. |
Sodium
Sulphite % |
:
|
3.0
max |
| 11. |
Water
Insoluble % |
:
|
0.05%
max |
|
|
|