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sodium hydrosulfite
sodium hydrosulfite
Supplier Info
[China Supplier]
Contact Person : Ms. Lee Anna
Tel : 86-574-55336086
Fax : 86-574-88113815
Product Detail
Sodium Hydrosulfite Chemical Formula:Na2S2O4 CAS No.:7775-14-6 Appearance:Free-flowing white crystalline powder  

Sodium Hydrosulfite

Package: 25kgs iron drum as per your request Application: 1. widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching.2. It is also used in bleaching paper pulps, especially mechanical pulps; its the most fitable bleaching agent in pulps. 3. It is used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products, 4. It is used in mineral, the compound of thiourea and other sulphides. 5. It is used as reducing agent in chemical industry.6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms. 

 

Product Specification :

.

Technical Grade

Food Grade

90%Grade

88%Grade

85%Grade

Na2S2O4

90%

88%

85%

85%

IronFe

20ppm

20ppm

20ppm

20ppm

zincZn

1ppm

1ppm

1ppm

1ppm

solution appearance

 clear

 clear

 clear

clear

EDTA

/

/

/

qualified

ArsenicAs

/

/

/

1ppm

other heavy metalas Pb

/

/

/

1ppm

Formate

/

/

/

0.05%

water insolubles

0.05%

0.05%

0.05%

/

shelf lifemonths

12

12

12

12

sodium hydrosulfite

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