Product Description
The chemical name is sodium thiosulfate, also known as Haibo, which is a colorless and transparent monoclinic crystal. It has a wide range of applications in multiple fields.
IT appears as colorless crystals or white powder, and is easily deliquescent in humid air. Its specific gravity is 1.69, and it quickly melts at 48 ºC. Insoluble in alcohol, but soluble in water. The aqueous solution is nearly neutral (pH 6.5-8.0)
Product Parameters
| ITEMS |
UNIT |
QUALITY STANDARD |
RESULTS
|
| Sodium Thiosulfate Content (Mass Fraction as Na2S2O3·5H2O) |
% |
≥98.0 |
98.23 |
| Ferric Content(Mass Fraction as Fe) |
% |
≤0.002 |
0.001 |
| Water Insoluble Substance (Mass Fraction) |
% |
≤0.01 |
0.002 |
Sulfide Content
(Mass Fraction as Na2S) |
% |
≤0.001 |
0.0008 |
| Sodium Chloride Content (Mass Fraction Basis for NaCl ) |
% |
≤0.05 |
0.04 |
| PH Value(200g/L solution) |
- |
6.5-9.5 |
8.0 |
| Appearance |
Transparent crystalline particles |
| Conclusion |
Qualified |
| Insepector: Fu yanyan Checker: Song yuehua |
We have a variety products with different contents and mesh. For more detailed information, please contact customer service
Certifications
Packaging & Shipping
Customizable packaging to meet your needs
Storage environment: IT should be stored in a dry, cool, well ventilated indoor environment, avoiding direct sunlight and high temperatures. The storage temperature should be controlled below 25 ºC, and the relative humidity should not exceed 75%
Application
1.In the field of photography, it is used as a fixative in traditional photography to remove non photosensitive silver halides.
2.Water treatment: used to treat residual in industrial wastewater and achieve dechlorination; It can also be used to treat heavy metal ions.
3. Paper and textile: Used as a bleaching agent, stabilizer, or reducing agent to improve the performance of paper and textiles.
4. Chemical industry:Used as a reducing agent in chemical reactions to regulate the reaction environment.Used for manufacturing other sulfide and thio salt compounds.
5. Mining and Metallurgy:The process used to extract precious metals such as gold and silver from ores.
6. Other uses:Used in the laboratory for iodometric titration as a reducing agent.
Used in the medical industry for the preparation of certain drugs (industrial grade must meet other processing standards).
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