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| Product Name: |
Sdium Hyrosulfite
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| Supply Ability: |
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| Related proudcts |
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| Specifications |
90%specification 88%specification 85%specification |
| Price Term: |
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| Port of loading: |
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| Minimum Order |
20MT |
| Unit Price: |
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Standard of hydros and byproducts :
(1) HG/T2074-2004 standard of chemical department :
Index name Index
Top quality First quality
Content of hydros ¡Ý% 90 85
Content of insoluble substance in water ¡Ü% 0.2 0.4
Appearance White crystalline powder White crystalline powder
(2) Index of hydros ( internal control ) :
No. Index name Index Note
90%specification 88%specification 85%specification
1 Appearance White crystalline powder White crystalline powder White crystalline powder Eye measurement
2 Hydros content
% ¡Ý 90.5 88.5 85.5 Compulsory test
3 Content of
insoluble substance
in water % ¡Ü 0.1 0.1 0.2 Spot test
4 Content of
sodium carbonate
%¡Ý 1 1 1 Spot test
5 Granularity A, B A, B, C A, B, C, D Compulsory test ( Eye measurement )
6 Odor Gentleness Gentleness Gentleness Compulsory test
Main use :
(1) Used as reducer, dyes auxiliary of dyeing industry, synthetic dyes and intermediates.
(2) Used as bleaching agent of paper pulp in paper-making industry.
(3) Used as bleaching agent of china clay in the ceramics industry.
(4) Used as deoxidizer of rubber and styrene butadiene rubber synthesis, developer in photo-taking industry.
(5) Used as reducing agent, bleaching agent in the industries including pharmacy, food, metallurgy and leather.
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| Company: |
BOULING CHEMICAL CO.,LTD
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| Contact: |
Ms. Johanna Ji |
| Address: |
Shangyuan Street, 863# Dongcheng Jiayuan 10dong-602, Jiangning Area, Nanjing, China |
| Postcode: |
211100 |
| Tel: |
86-25-52289263 |
| Fax: |
86-25-52289103 |
| E-mail: |
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