Tianjin Yuanlong Chemical Industry Co., Ltd.
Main products:Caustic Soda,Sodium Metasilicate,Ethylene Diamine Tetraacetic Acid,Sodium Thiosulfate,Sulfur Black
Products
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  • Contact Person : Ms. Yu Nancy
  • Company Name : Tianjin Yuanlong Chemical Industry Co., Ltd.
  • Tel : 86-22-23528561
  • Fax : 86-22-23523959
  • Address : Tianjin,Tianjin,No. 10, Hanbei Road, Hangu district, Tianjin
  • Country/Region : China
  • Zip : 300480

Potassium Metabisulfite

Potassium Metabisulfite
Product Detailed
Potassium metabisulfite 1.CAS: 16731-55-8 2. White crystal or powder.

Detailed spec listed as below:

Item

Value

Unit

Index

Purity

97.2

g/100g

min

So2

56.0

g/100g

min

K2S2O3

0.1

g/100g

max

Na

2

g/100g

max

Cl

0.5

g/kg

max

pH (10% solution )

3.8-4.8

-

Heavy metals(as Pb)

10

mg/kg

max

As

1

mg/kg

max

Cu

1

mg/kg

max

Fe

5

mg/kg

max

Hg

0.1

mg/kg

max

Pb

1

mg/kg

max

Se

1

mg/kg

max

Zn

1

mg/kg

max

 

Application:

Used in bleaching agent, antiseptic, antioxidant, the preservation of wine, beer, fruit juice, vegetable, meat and grape, or used in the photo chemicals. It also can be used in cyanideless electroplating of silver.

Potassium Metabisulfite



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