| Model: | 97 |
|---|---|
| Brand: | weichuang |
| Origin: | Made In China |
| Category: | Chemicals / Inorganic Chemical Materials / Inorganic Acid |
| Label: | Na2SO3 , sodium sulphite , sodium sulphite |
| Price: |
US $250
/ ton
|
| Min. Order: | 10 ton |
| Live Chat: | Last Online:24 Mar, 2022 |
Shelf Life: one year
Application:bleaching agent for paper pulps ;waste water treatment；reducing and sulphonating agent for chemical synthesis ；bleaching agent for textiles；colors stripper and deoxidization ;floating agent for mining industry; auxiliary chemical in tanning process .
Storage & handling:Store the product in a cool and dry place；avoid contact sunshine ，water and moisture； avoid contact with strong acid,oxidants or poisonous substances。 Exposure to moisture will make it oxidze easily to sodium sulphate . Not store it for a long time .
Product Specification:
|
ITEM |
FOOD GRADE |
TECH GRADE |
TECH GRADE |
|
Na2SO3 |
> 97% |
> 96% |
> 93% |
|
FREE ALKALI |
< 0.1% |
< 0.4% |
< 0.4% |
|
IRON |
< 0.003% |
< 0.002% |
< 0.002% |
|
WATER INSOLUBLW MATTER |
< 0.02% |
< 0.05% |
< 0.05% |
|
SODIUM SULFATE(Na2SO4) |
< 2.5% |
………….. |
…………. |
|
NaCl |
< 0.1% |
…………… |
………….. |
| Payment Terms: | T/T OR L/C |
|---|---|
