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Sodium Metabisulphite 98% Min

Sodium Metabisulphite 98% Min
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  • Otros Nombres:Sodium Metabisulphite
  • CAS NO.:7681-57-4
  • HS Code:28321000
  • Aspecto:White Crystalline Powder
  • Embalaje:25kgs/p.p bag or 1.2MT Jumbo Bag
  • Marca:

Descripción detallada

Sodium Metabisulphite 98% Min:

1.CAS NO.:7681-57-4

2.EINECS No.:231-673-0

3.HS CODE: 28321000

4.Molecular Formula:  Na2S2O5

5.Molecular Weight:  190.09

6.Appearance: White Crystalline Powder

7.Detail Specifications:

Item Standards            Test Result           
Na2S2O5(%) 98.0% Min 98.20
SO2(%) 65.0 Max 65.2
Iron(%) 0.0015 Max 0.0012
As(%) 0.0002 Max 0.0002
Se(%) 0.0005 Max 0.0005
Pb(%) 0.0005 Max 0.0004
Matter Insoluble In Water(%) 0.05 Max 0.05
Ph Value 4.0-4.8 4.5
Conclusion Qualified

8.Properties:

White or yellowish crystalline powder with strong SO2 odor; specific wt.: 1.4. soluble in water, its aqueous solution is acidic.

9.Usage: 

.Dye printing mordant. 
.Textile antichlor after being bleached.
.Reducing agent and sulfonating agent for chemical and medical use.
.Bamboo, wood, paper fiber bleaching agent, non-ferrous metal ore dressing agent, waste water treating , rubber freezing agent.

10.Package,Storage,Transportation:

Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.

 

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