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Sodium Hydrosulfite
Specifications
1.Name:Sodium Hydrosulfite
2.Formula:Na2S2O4
3.Appearance: white crystalline powder
4.Bouquet: no odor
Technical specification:
Specification
90%
88%
85%
Food grade
Na2S2O4
¡Ý90%
¡Ý88%
¡Ý85%
¡Ý85%
Fe
¡Ü20ppm
¡Ü20ppm
¡Ü20ppm
¡Ü20ppm
Zn
¡Ü1ppm
¡Ü1 ppm
¡Ü1ppm
¡Ü1ppm
Solution Appearance
Clear
Clear
Clear
Clear
Other heavy metal (as pb)
¡ª
¡ª
¡ª
¡ª
HCHO
¡ª
¡ª
¡ª
¡Ü0. 05%
Water insoluble matter
¡Ü0.05%
¡Ü0.05%
¡Ü0.05%
¡ª
Reserve period (months)
12
12
12
12
Sodium hydrosulfite(sodium hydrosulphite) can be used as a reducing agent for vat dyes,disperse dyes can be used to restore the clean,reactive dyes can be used for stripping color,silk,hair bleach,food bleaching agent,the depositary agent,antioxidant agents,preservation agents,bleaching of paper,industrial bleaching agent,processing,reducing agent,sulfonating agent.
For more information about sodium hydrosulfite, please do not hesitate to contact us.
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| Company: |
shi jiazhuang weizheng chemi
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| Contact: |
Ms. crystal guo |
| Address: |
yang fu yin lu |
| Postcode: |
300022 |
| Tel: |
86-311-89822195 |
| Fax: |
86-311-89822195 |
| E-mail: |
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