| M Formula: | Er2(SO4)3•8H2O |
| Properties: | |
| Pink, monoclinic crystals. D 3.68, dehydrated at 400C. Soluble in water. | |
| Derivation: | |
| Dissolving hydroxides, carbonates, or oxides in dilute sulfuric acid. | |
| Grade: | |
| 99.9%. | |
| Use: | |
| To determine atomic weight of a rare-earth element. | |