Potassium Sulfite

Potassium Sulfite
Product Id:
11215472916
Products Name:
Potassium Sulfite
CAS NO:
10117-38-1
Product category:
Preservative
Remarks:
[Molecular weight]: 158.25

 

[Executive standard]: European food grade
[and molecular formula]: K2S2O3
[Molecular weight]: 158.25 

[CAS number]: 10117-38-1

[Usage]:
The products could be used as dechlorination agent in the production of potassium hydroxide ion-exchange membrane and developing protective agent in photographic industry. It could also be used in the textile fabrics for bleaching, calcium removing reagent in tanning industry and as the preservative for food industry.
[Technical index]:

Test item
Unit
Specification
Test method
K2S2O3
g/100g
96
ISO 5990-1996(E)
K2S2O3
g/100g
≦0.01
spectrophotometry
pH value(diluted with water to 10%)
 
9.0-10.0
ISO 5990-1996(E)
heavy metal(measured by Pb)
mg/kg
≦ 20
AES
Fe
mg/kg
≦10
AAS
KCl
g/100g
≦ 0.6
IC
sulphate(measured by K2SO4)
g/100g
≦ 0.5
IC
[Product usage]:
The products could be used as dechlorination agent in the production of potassium hydroxide ion-exchange membrane and developing protective agent in photographic industry. It could also be used in the textile fabrics for bleaching, calcium removing reagent in tanning industry and as the preservative for food industry.  
[Product package]:
25 kg per bag, composite bag lined with plastic bag, or by user’s request.