 오퍼게시판 |
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제 목:
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Sdium Hyrosulfite |
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상품분류: |
무기화학원료와 광물
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등록분류: |
Offer to Sell |
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내용: |
Additional_detail: Molecular formula : Na2S2O4
Structural formula :
Standard of hydros and
byproducts :
(1) HG/T2074-2004 standard of
chemical department :
Index name Index
Top quality First quality
Content of hydros ≥% 90 85
Content of insoluble substance in
water ≤% 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
% ≥ 90.5 88.5 85.5 Compulsory
test
3 Content of
insoluble substance
in water % ≤ 0.1 0.1 0.2 Spot
test
4 Content of
sodium carbonate
%≥ 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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연락처 |
| 담
당 자: |
Johanna |
| 회사주소: |
ShangYuan Street, 863# 10-602, Jiangning Area ,Nanjing ,China |
| 전화번호: |
86-010-80115555-346102 |
| 팩스번호:
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86-010-950507-346102 |
| E - mail: |
johanna@boulingchem.com |
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