Relative Purity Min.% | 99.999 | 99.99 | 99.95 | 99.9 | |
TREO Min.% | 99.0 | 99.0 | 99.0 | 99.0 | |
RE Impurities/REO Max.% | La2O3 | 0.00010 | 0.0015 | 0.05 | 0.10 |
CeO2 | 0.00005 | ||||
Pr6O11 | 0.00005 | ||||
Nd2O3 | 0.00010 | ||||
Sm2O3 | 0.00005 | 0.0010 | |||
Eu2O3 | 0.0010 | 0.0015 | |||
Tb4O7 | 0.00010 | 0.0015 | |||
Dy2O3 | 0.00010 | 0.0015 | |||
Ho2O3 | 0.00005 | 0.0005 | |||
Er2O3 | 0.00005 | 0.0005 | |||
Tm2O3 | 0.00005 | 0.0005 | |||
Yb2O3 | 0.00005 | 0.0005 | |||
Lu2O3 | 0.00005 | 0.0005 | |||
Y2O3 | 0.00010 | 0.0010 | |||
Non-RE Impurities Max.% | Fe2O3 | 0.0002 | 0.0005 | 0.0020 | 0.0030 |
SiO2 | 0.0030 | 0.0050 | 0.0050 | 0.0060 | |
CaO | 0.0005 | 0.0030 | 0.0050 | 0.0050 | |
Al2O3 | 0.0010 | 0.0100 | 0.0300 | 0.0400 | |
L.O.I Max.% | 3.0 | 3.0 | 3.0 | 3.0 | |