| CAS NO ： | 10031-51-3 |
| Mol Fm ： | Er(NO3)3·5(H2O) |
| Prop. ： | Purple red crystalline granula, soluble in water, hygroscopic |
| Packing ： | Plastic drum inner with plastic bag. Net weight 25/50 kg |
| Storage ： | Keep sealed and store in dry and cool places |
| Apps ： | Reagent,catalyzer and chemical additives,Making Er compounds |
| CODE | ERNO-4N | ERNO-3N | ERNO-2N |
| TREO>% | 39.5 | 39 | 39 |
| Er2O3/REO>% | 99.99 | 99.9 | 99.0 |
| Water dissolve | clear | clear | clear |
| Non-rare earth impurities<ppm | |||
| Fe2O3 | 5 | 10 | 20 |
| CaO | 5 | 50 | 50 |
| SiO2 | 20 | 50 | 50 |
| Cl- | 5 | 50 | 100 |