Na2O3S2
Sodium thiosulfate anhydrous AR
Product specificities
| Colorless to white solid | Complying |
| Assay | 98.0-102.0%w/w |
| Heavy metals (as Pb) | <= 0.005% |
| Iron (Fe) | <= 0.005% |
| Sulfide (S) | Complying |
| Sulfate & Sulfite (as SO4) | <= 0.1% |
| pH (5% in water) | 6.0-8.4 |
| Water insolubles | <= 0.005% |
