| SODIUM THIOSULPHATE | ||
| Analysis item | Standard | Analysis Result |
| Na2S2O3.5H2O | 99%min | 99.71% |
| Water-Insoluble | 0.01%max | 0.01% |
| Sulphide ( As Na2S) | 0.001%max | 0.0008% |
| Fe | 0.002% | 0.001% |
| NaCl | 0.05%max | 0.15% |
| PH | 7.5min | 8.2 |