Sodium thiosulfate
1)Produced in accordance with HG/T2328-92 standard of Chemical
Industry Department of China.
2)Appearance: monoclinic system crystal,colorless
transparent body.
3)Specification:
| Index name |
Photographic grade |
Technical grade |
| Sodium thiosulfate ≥ % |
99.0 |
98.5 |
| Insoluble substance in water ≤ % |
0.01 |
0.03 |
| Sulfuret (base on S) ≤ % |
0.001 |
0.003 |
| Ferrum (base on Fe) ≤ % |
0.001 |
0.003 |
| Aqueous solution reaction |
In accordance with test |
In accordance with test |
| Granularity |
12-16 |
/ |
| Appearance |
Colorless transparent |
Colorless transparent |
Specifications of sine aq sodium thiosulfate
| Index name |
Index |
| Sine aq sodium thiosulfate ≥ % |
97.0 |
| Insoluble substance in water ≤ % |
0.03 |
| Sulfuret (base on S) ≤ % |
0.001 |
| Ferrum (base on Fe) ≤ % |
0.005 |
| Appearance |
White powder |
4)Specification: Export grade, refined grade,
technical grade, photographic grade(sine aq)
5)Packaging: knitted bags with plastic
liner,25kg, 50kg per bag,export packaing can be made according
to the requirements of customers.
6)Use: used in fixers, reducers, as a blush
preventive agent, and as a disinfectant.
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