|
Le code
|
LC-3N
|
LC-4N
|
LC-4.5N
|
|
TREO %
|
≥97
|
≥98
|
≥98
|
|
La Pureté et impuretés terre rare relative
|
|||
|
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 non rare earth
|
|||
|
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
|
|
MnO2 %
|
≤0,003
|
≤0,002
|
≤0,001
|
|
AL2O3 %
|
≤0,01
|
≤0,007
|
≤0,005
|
|
Bbv %
|
≤0,01
|
≤0,005
|
≤0,003
|
|
Cl- %
|
≤0,1
|
≤0,06
|
≤0,04
|
|
Matières radioactives
|
1Bq/g
|
||
|
1000ºC 2hr
|
≤ 3,0
|
≤ 2,0
|
≤ 2,0
|