CODE
LASO-5N
LASO-4N
LASO-3N
TREO>%
44
La2O3/REO>%
99.999
99.99
99.90
Water-insoluble<%
0.05
0.1
Non-rare earth impurities<ppm
Fe2O3
10
20
CaO
5
SiO2
50
PbO
Cl-
100