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:
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Item
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Photographic grade
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Appearance
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clear light yellow liquid
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Content w/w %
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68-72
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pH value (stock solution 20°C)
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4.0-6.0
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Iron (Fe) w/w %≤
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0.001
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6. Packing: 270kg plastic drum
7. Uses: in synthesizing dye intermediate, surfactant, herbicide, reducing agent in pharmaceutical industry, etc.
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Inorganic chemical products 
Sodium thiosulfate
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