|
|
Y2O3
3N
|
Y2O3
4N
|
Y2O3
5N
|
|
| TREO |
99.00
|
99.00
|
99.50
|
|
Y2O3/TREO
|
99.90
|
99.99
|
99.999
|
|
Fe2O3
|
0.010
|
0.005
|
0.0005
|
|
SiO2
|
0.020
|
0.005
|
0.001
|
|
CaO
|
0.020
|
0.005
|
0.002
|
|
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
|
