Cov khoom npe | Cerium Oxide | |||
CeO2/TREO (% min.) | 99.999 ib | 99.99 ib | 99.9 ua | 99 |
TREO (% min.) | 99 | 99 | 99 | 99 |
Poob ntawm ignition (% max.) | 1 | 1 | 1 | 1 |
Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
La2O3/TREO | 2 | 50 | 0.1 | 0.5 |
Pr6O11/TSO | 2 | 50 | 0.1 | 0.5 |
Nd2O3/TREO | 2 | 20 | 0.05 Nws | 0.2 |
Sm2O3/TSO | 2 | 10 | 0.01 ib | 0.05 Nws |
Y2O3/TREO | 2 | 10 | 0.01 ib | 0.05 Nws |
Tsis-Re Earth Impurities | ppm max. | ppm max. | % max. | % max. |
Fe2O 3 | 10 | 20 | 0.02 ib | 0.03 ib |
SiO 2 | 50 | 100 | 0.03 ib | 0.05 Nws |
CaO | 30 | 100 | 0.05 Nws | 0.05 Nws |
PbO | 5 | 10 | ||
Al2O3 | 10 | |||
NiO | 5 | |||
CuO | 5 |