|
Code
|
LC-3N
|
LC-4N
|
LC-4.5N
|
|
TREO%
|
≥ 97
|
≥ 98
|
≥ 98
|
|
Pureté de la et impuretés de la terre relativement rare
|
|||
|
La2O3/TREO %
|
≥ 99.9
|
≥ 99.99
|
≥ 99.995
|
|
% CeO2/TREO
|
≤0.05
|
≤0.007
|
≤0.004
|
|
% Pr6O11/TREO
|
≤0.01
|
≤0.001
|
≤0.0005
|
|
Nd2O3/TREO %
|
≤0.01
|
≤0.001
|
≤0.0005
|
|
Sm2O3/TREO %
|
≤0.01
|
≤0.001
|
≤0.0005
|
|
Y2O3/TREO %
|
≤0.01
|
≤0.001
|
≤0.0005
|
|
Impureté de terre non rare
|
|||
|
Fe2O3 %
|
≤0.005
|
≤0.003
|
≤0.0003
|
|
SiO2 %
|
≤0.02
|
≤0.015
|
≤0.005
|
|
% CAO
|
≤0.05
|
≤0.01
|
≤0.005
|
|
% NA
|
≤0.005
|
≤0.003
|
≤0.002
|
|
% de MnO2
|
≤0.003
|
≤0.002
|
≤0.001
|
|
AL2O3 %
|
≤0.01
|
≤0.007
|
≤0.005
|
|
% PBO
|
≤0.01
|
≤0.005
|
≤0.003
|
|
% CL
|
≤0.1
|
≤0.06
|
≤0.04
|
|
Radioactif
|
1 Bq/g
|
||
|
1000ºC 2h
|
≤ 3.0
|
≤ 2.0
|
≤2.0
|