| Ainm Táirgí | Ocsaíd Cerium | |||
| CeO2/TREO (% nóim.) | 99.999 | 99.99 | 99.9 | 99 |
| TREO (% nóim.) | 99 | 99 | 99 | 99 |
| Caillteanas ar adhaint (% max.) | 1 | 1 | 1 | 1 |
| Neamhíonachtaí Uathúla Cruinne | ppm max. | ppm max. | % max. | % max. |
| La2O3/TREO | 2 | 50 | 0.1 | 0.5 |
| P6O11/TREO | 2 | 50 | 0.1 | 0.5 |
| Nd2O3/TREO | 2 | 20 | 0. 05 | 0.2 |
| Sm2O3/TREO | 2 | 10 | 0. 01 | 0. 05 |
| Y2O3/TREO | 2 | 10 | 0. 01 | 0. 05 |
| Neamhíonachtaí Cruinne Neamhchoitianta | ppm max. | ppm max. | % max. | % max. |
| Fe2O3 | 10 | 20 | 0. 02 | 0. 03 |
| SiO2 | 50 | 100 | 0. 03 | 0. 05 |
| CaO | 30 | 100 | 0. 05 | 0. 05 |
| PbO | 5 | 10 | ||
| Al2O3 | 10 | |||
| niO | 5 | |||
| CuO | 5 | |||





