FORMULA: Na2SO3
M. W.: 126.04
CAS NO.: 7757-83-7
DESCRIPTION: WHITE CRYSTALLINE POWDER.
SPECIFICATIONS:
ITEM |
SUPER |
FIRST |
QUALIFIED |
PURITY (Na2CO3) |
97.0%MIN. |
96% MIN. |
93.0%MIN. |
Fe |
0.003%MAX. |
0.005%MAX. |
0.01%MAX. |
WATER
INSOLUBLES |
0.02%MAX. |
0.03% MAX. |
0.05%MAX. |
FREE ALKAL |
0.10%MAX. |
0.40% MAX. |
0.60%MAX. |
Na2SO4 |
2.5%MAX. |
|
|
NaCL |
0.10%MAX. |
|
|
USES: USED IN PAPER, LEATHER INDUSTRY, OR WASTER TREATMENT ETC.
PACKING: PACKED IN 25KG/50KG NET PLASTIC WOVEN BAG.