| SPECIFICATION |
| Physical
Appearance |
: A free flowing, white granular powder free from lumps. |
| Appearance
of Solution |
:
A 20 % Solution shall be colorless and free from sediment |
| PH
of solution |
:
8.5 TO 9.5 |
| Assay
as [ Na2SO3] |
:
96.0 % Min.: |
| Moisture |
:
0.06 % Max. |
| Thiosulphate
as Na2S2O3 |
:
0.03 % Max. |
| Alkalinity
as Na3CO3 |
:
0.15 % Max |
| Alkaline
Earths Ba, Ca and Sr |
:
0.04 % Max |
| Heavy
Metals as Pb |
:
0.002 % Max. |
| Packing |
:
25Kg / 50Kg / 50Lb. |
|
