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Lanthanum Oxide

White powder, insoluble in water, soluble in acid. It is highly hygroscopic and absorbs moisture and carbon dioxide of air rapidly.

Description

FormulaLa₂O₃
Mol.wt325.82
Main ApplicationOptical glass; catalyst; agriculture; electronic materials; fluorescent powder;

Specification

                                   
Relative Purity 
Min.%
99.999 99.995 99.99
                             
TREO
Min.%
99 99 99
                  
RE Impurities/REO  
Max.%
Y2O3 0.0002  0.0010  0.0010 
CeO2 0.0002  0.0005  0.0010 
Pr6O11 0.0001  0.0005  0.0005 
Nd2O3 0.0001  0.0003  0.0005 
Sm2O3 0.0001  0.0003  0.0005 
Eu2O3 0.0001  0.0003  0.0005 
Gd2O3 0.0001  0.0003  0.0005 
Tb4O7 0.0001  0.0003  0.0005 
Dy2O3 0.0001  0.0003  0.0005 
Ho2O3 0.0001  0.0003  0.0005 
Er2O3 0.0001  0.0003  0.0005 
Tm2O3 0.0001  0.0003  0.0005 
Yb2O3 0.0001  0.0003  0.0005 
Lu2O3 0.0001  0.0003  0.0005 
         
Non-RE Impurities   
Max.%
Fe2O3 0.0001  0.0003  0.0005 
SiO2 0.0020  0.0020  0.0050 
CaO 0.0010  0.0020  0.0020 
Cl- 0.0100  0.0100  0.0200 
  L.O.I                             Max.% 1 1 1


Packing

In sealed double polyethylene bags. The bags are packed in steel drums containing 50 Kgs net each.
 

Others

Specification is adjustable as per user' s special requirement