| Pr2(SO4)3·8H2O | Pr2(SO4)3·8H2O | Pr2(SO4)3·8H2O | |
| Purity | 99.50% | 99.90% | 99.950% |
| TREO | 44.00 | 44.00 | 44.00 |
| Pr6O11/TREO | 99.50 | 99.90 | 99.950 |
| Fe2O3 | 0.002 | 0.001 | 0.0005 |
| SiO2 | 0.005 | 0.002 | 0.001 |
| CaO | 0.010 | 0.005 | 0.001 |
| Cl- | 0.010 | 0.005 | 0.002 |
| Na2O | 0.005 | 0.002 | 0.010 |
| PbO | 0.002 | 0.001 | 0.010 |
| Solubility in water | Clear | Clear | Clear |