|
Grade
|
99.99%
|
99.9%
|
99%
|
|
CHEMICAL COMPOSITION
|
|||
|
Tb/TREM (% min.)
|
99.99
|
99.9
|
99
|
|
TREM (% min.)
|
99.5
|
99
|
99
|
|
Rare Earth Impurities
|
ppm max.
|
% max.
|
% max.
|
|
Eu/TREM
Gd/TREM Dy/TREM Ho/TREM Er/TREM Tm/TREM Yb/TREM Lu/TREM Y/TREM |
10
20 50 10 10 10 10 10 10 |
0.03
0.03 0.05 0.03 0.03 0.005 0.005 0.005 0.01 |
0.01
0.5 0.3 0.05 0.03 0.01 0.01 0.01 0.03 |
|
Non-Rare Earth Impurities
|
ppm max.
|
% max.
|
% max.
|
|
Fe
Si Ca Al Mg W Ta O C Cl |
500
100 200 100 100 100 100 500 100 50 |
0.15
0.01 0.1 0.05 0.05 0.1 0.01 0.2 0.01 0.01 |
0.2
0.02 0.2 0.1 0.1 0.2 0.05 0.25 0.03 0.0 |
Terbium Metal
