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| Product Name: |
sodium dithionite
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| Specifications |
Na2S2 O4¡Ý 90%,¡Ý 88%,¡Ý 85% |
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Specification: industry grade HG/T 2074-1991 JIS K 1476-1995
food grade GB 2682-1995
Item 90% 88% 85% food grade
Na2S2 O4 More than 90% More than 88% More than 85% More than 85%
(Fe) Less than 20ppm Less than 20ppm Less than 20ppm Less than 20ppm
(Zn) Less than 1ppm Less than 1ppm Less than 1ppm Less than 1ppm
Clarity Clarify Clarify Clarify Clarify
EDTA - - - Qualified
(As) - - - Less than 1ppm
Other heavy metals(pb) - - - Less than 1ppm
HCHO - - - Less than 0.05%
water insoluble matter Less than 0.05% Less than 0.05% Less than 0.05% -
Uses:
1, It is for vat dyes staining the reducing agent, reducing hair bleaching agents, vat dyes printing auxiliaries, silk scouring and bleaching agent, dyeing agents and objects of the peel color dye vat cleaning agent in the textile industry.
2, It is used as a mechanical pulp, mechanical pulp mill hot and deinking pulp bleaching agent in pulp and paper industry.
3, It is used as sugar, candy, candied fruit, caramel, cookies, fans, etc. bleach and food preservation agent in the food industry.
4, As a bleaching agent is widely used to restore the kaolin bleaching; fur whitening bleaching and restore; bamboo products and straw products such as bleach.
5, It is used as a reducing agent in chemical industry.
6, Packing: Barrels sealed packaging, polyethylene film bag lined with double-layer 15KG/20KG/25KG/50KG/100KG/200KG
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| Company: |
Hebei XiangFei Chemicals Co., Ltd
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| Contact: |
Ms. su na |
| Address: |
Room 8-16,Unit 3,4th Building,dahuoquan jiajia Residential Quarter, West Bridge District |
| Postcode: |
054000 |
| Tel: |
86 0319 2182231 |
| Fax: |
86 0319 2182231 |
| E-mail: |
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