| ? |
Pr6O11
????? 2N
|
Pr6O11
3N
|
Pr6O11
????? 4N
|
| TREO |
99.00
|
99.00
|
99.00
|
|
Pr6O11/TREO
|
99.00
|
99.90
|
99.99
|
|
Fe2O3
|
0.010
|
0.005
|
0.002
|
|
SiO2
|
0.010
|
0.005
|
0.002
|
|
CaO
|
0.030
|
0.020
|
0.010
|
|
SO42-
|
0.050
|
0.030
|
0.030
|
|
Cl-
|
0.050
|
0.030
|
0.030
|
|
Na2O
|
0.010
|
0.005
|
0.005
|
|
PbO
|
0.005
|
0.002
|
0.002
|
