| Products Name | Neodymium Nitrate | |||
| Nd2O3/TREO (% min.) | 99.999 | 99.99 | 99.9 | 99 |
| TREO (% min.) | 37 | 37 | 37 | 37 |
| Rare Earth Impurities ( in TREM, % max.) | ppm max. | ppm max. | % max. | % max. |
| La2O3/TREO | 3 | 50 | 0.01 | 0.05 |
| CeO2/TREO | 3 | 20 | 0.05 | 0.05 |
| Pr6O11/TREO | 5 | 50 | 0.05 | 0.5 |
| Sm2O3/TREO | 5 | 3 | 0.05 | 0.05 |
| Eu2O3/TREO | 1 | 3 | 0.03 | 0.05 |
| Y2O3/TREO | 1 | 3 | 0.03 | 0.03 |
| Non-Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
| Fe2O3 | 5 | 10 | 0.001 | 0.005 |
| SiO2 | 30 | 50 | 0.005 | 0.02 |
| CaO | 50 | 50 | 0.005 | 0.01 |
| CuO | 1 | 2 | 0.002 | 0.005 |
| PbO | 1 | 5 | 0.001 | 0.002 |
| NiO | 3 | 5 | 0.001 | 0.001 |
| Cl- | 10 | 100 | 0.03 | 0.02 |