SODIUM
BI SULPHITE
Cas.No: 7631 – 90-5 |
|
SR.
No.
|
Characteristics
|
|
Specifications
|
| 1.
|
Physical Appearance |
:
|
White to Creamish fine Powder |
| 2.
|
Assay as Na2S2O5 |
:
|
94% min. |
| 3.
|
Assay as SO2% |
:
|
63% min. |
| 4.
|
Ph of 20% Solution |
:
|
4 to 5 |
| 5.
|
Clarity of 10% Solution |
:
|
Slight hazzy |
| 6. |
Iron
content |
:
|
50
PPM max |
| 7. |
Chloride
Content |
:
|
100
PPM max |
| 8. |
Sodium
Sulphate |
:
|
4%
max |
| 9. |
Heavy
Metals(As pb) |
:
|
30
PPM max |
| 10. |
Thiosulphate
(as S2O3) |
:
|
0.5%
max |
| 11. |
Sodium
Sulphite % |
:
|
3.0
max |
| 12. |
Water
Insoluble % |
:
|
0.02%
max |
Uses:-
- In Leather processing
- Bleaching agent in silk and wood processing.
- Used at all intermediate /dye manufacturing where sulphonation is required.
- Used in Pollution control, to remove heavy metal from effluent.
|
|
Packing : 25kg/50kg HDPE Bags
|
