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sodium sulfite for paper use, waste water treatment, bleaching and tanning

sodium sulfite for paper use, waste water treatment, bleaching and tanning

sodium sulfite for paper use, waste water treatment, bleaching and tanning
sodium sulfite for paper use, waste water treatment, bleaching and tanningsodium sulfite for paper use, waste water treatment, bleaching and tanningsodium sulfite for paper use, waste water treatment, bleaching and tanningsodium sulfite for paper use, waste water treatment, bleaching and tanningsodium sulfite for paper use, waste water treatment, bleaching and tanning
CategoriesSodium sulfite
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ModelSodium Sulfite
Mol wt:126.04
Place of Origin:Hunan, China (Mainland)
HS CODE:28321000
Brand nameRongda
Melting point500C
Water solubility23 g/100 mL (20℃)
Purity90%, 93%, 96%, 97%
Production methodsynthesis method
Unit PriceUS $ 290-305 / metric ton
FOB portChangsha etc
Terms of PaymentL/C, D/P, T/T
Update Time2019-03-27
Detail Information

1.Purity:90%,93% , 96%
2.CAS NO.:7757-83-7

3.MF:Na2SO3
4.Appearance: white crystal powder

5.HSCODE:  28321000

6.Molwt : 126.04

 

Item

Tech Grade

Tech Grade

Na2SO3

96%

93%

Free Alkali

0.4%

0.5%

Iron

0.005%

0.01%

Water Insoluble Matter

0.05%

0.1%

Sodium Sulfate(Na2SO4)

2.0%

1.5%

NaCl

0.5%

1%

 

 

 

 

 

7. Package

Sodium sulfite is packed in net weight 25kgplstic woven bag with plastic inner bag. or as customers' request  25tons/20'FCL.

 Application: 

Bleaching agent for paper pulps, Waste water treatment,Bleaching agent for mining industry, Colors stripper and deoxidization,Auxiliary Chemical in tanning process

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