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Ammonium bisulphite solution 70% (Photographic grade )

1. Product name: Ammonium bisulphite solution
2. Molecular formula: NH4HSO3
3. Molecular weight: 99.10
4. Physical and chemical properties: light yellow liquid, with a little sulfur dioxide odor. Relative density (70%) : 1.4.
5. Technical index:

Item
Photographic grade
Appearance
clear light yellow liquid
Content w/w %
68-72
pH value (stock solution 20°C)
4.0-6.0
Iron (Fe) w/w %≤
0.001


6. Packing: 270kg plastic drum
7. Uses: in synthesizing dye intermediate, surfactant, herbicide, reducing agent in pharmaceutical industry, etc.

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