SODIUM SULPHITE
FORMULA: Na2SO3
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. |
|
|
USE: It is used as a desoxydating or bleaching agent for printing and dyeing industry, as a developer for photographic industry. As a lignin-removing agent for paper industry, as a stabilizer for syntheticfiber for textile industry, as a reducing agent for chemical industry, or for electroplating industry etc.
PACKING: PACKED IN 25KG NET PLASTIC WOVEN BAG