| Kwaliteit | Foto | Technologie |
| Na2S2O3 ·5H2O | 99% min. | 99% min. |
| Onoplosbare stof in water | Max. 0.01% | Max. 0.03% |
| Na2S | Max. 0.001% | Max. 0.003% |
| FE | Max. 0.001% | Max. 0.003% |
| PH-waarde (200 g/l-oplossing) | 6.5-9.5 | 6.5-9.5 |
| Kwaliteit | Specificaties |
| Na2S2O3 | 97% min. |
| Onoplosbare stof in water | Max. 0.03% |
| Na2S | Max. 0.001% |
| FE | Max. 0.005% |
| PH-waarde (200 g/l-oplossing) | 6.5-9.5 |