Nd2O3/TREO (% min.) |
99.9999 |
99.999 |
99.99 |
99.9 |
99 |
TREO (% min.) |
45 |
45 |
45 |
45 |
45 |
Rare Earth Impurities |
ppm max. |
ppm max. |
ppm max. |
% max. |
% max. |
La2O3/TREO
CeO2/TREO
Pr6O11/TREO
Sm2O3/TREO
Eu2O3/TREO
Y2O3/TREO |
0.2
0.5
5
0.2
0.2
0.2 |
3
3
5
5
1
1 |
50
20
50
3
3
3 |
0.01
0.05
0.05
0.05
0.03
0.03 |
0.05
0.05
0.5
0.05
0.05
0.03 |
Non-Rare Earth Impurities |
ppm max. |
ppm max. |
ppm max. |
% max. |
% max. |
Fe2O3
SiO2
CaO
CuO
PbO
NiO |
2
9
5
2
2
2 |
5
30
50
10
10
10 |
10
50
50
2
5
5 |
0.001
0.005
0.005
0.002
0.001
0.001 |
0.005
0.02
0.05
0.005
0.002
0.02 |