| 
 
Contenuto REO 
 
 | 
|
| 
 
TREO 
 
 | 
 
71.24% 
 
 | 
| 
 
CE4+/∑CE 
 
 | 
 
98.16% 
 
 | 
| 
 
CeO2/TREO 
 
 | 
 
99.95%min 
 
 | 
| 
 
La2O3/TREO 
 
 | 
 
0.0018% 
 
 | 
| 
 
Pr6O11/TREO 
 
 | 
 
0.0010% 
 
 | 
| 
 
Nd2O3/TREO 
 
 | 
 
0.0010% 
 
 | 
| 
 
Sm2O3/TREO 
 
 | 
 
0.001% max 
 
 | 
| 
 
Y2O3/TREO 
 
 | 
 
0.001% max 
 
 | 
| 
 
Contenuto di impurità non-RE 
 
 | 
|
| 
 
Circa 
 
 | 
 
39 ppm 
 
 | 
| 
 
Fe 
 
 | 
 
18 ppm 
 
 | 
| 
 
PB 
 
 | 
 
9 ppm 
 
 | 
| 
 
Zn 
 
 | 
 
5 ppm 
 
 | 
| 
 
CI- 
 
 | 
 
50 ppm max 
 
 | 
| 
 
S/RO 
 
 | 
 
32 ppm 
 
 |