|
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 |