オプション
Features of 99%min Sodium Thiosulfate:
1. Chemical name: Sodium thiosulfate
2. H.S code:28328000
3. Molecular formula: Na2S203*5H20
4. 分子量:248.17
5, Properties: Monoclinic crystal, Melting point: 40-45degree, Relative density: 1.729(17degree).
6. Packing: 25kg, 50kg plastic woven bag, or following your demand


検査に対応
定着剤、皮革用染料、還元剤、脱塩素剤、硫黄系染料、白化防止剤、消毒剤、脱色剤として使用されます。
仕様
| Item | Photographic grade | 工業用グレード | Anhydrous grade |
| 外観 | colorless transparen crystal | colorless transparen crystal | 白色粉末 |
| アッセイ | ≥99.00%で | ≥98.5%で | ≥97.0%で |
| 水不溶物 | ≤ 0.01% | ≤ 0.03% | ≤ 0.03% |
| 硫化物 | ≤ 0.001% | ≤ 0.003% | ≤ 0.001% |
| Fe | ≤ 0.001% | ≤ 0.003% | ≤ 0.005% |
| PH | 6.5-9.5 | 6.5-9.5 | 6.5-9.5 |
| Water solution reaction | in accordance with the test | in accordance with the test | - |
| Granularity(g/g) | 12-16 | - | - |

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