Lanthanum Fluoride

Formula: LaF₃
Nol.wt.: 195.9
CAS: 13709-38-1
Appearance: white powder
Uses: used for the preparation of modern medical image display technology and nuclear science requirements of the scintillator crystal, laser materials of rare earth, rare earth fluoride glass optical fiber and infrared glass. Used in the manufacture of arc carbon electrodes in the light source for lighting. Used in the manufacture of special alloy and electrolytic production of metal Lanthanum in metallur gical industry.

Code	LF-3.5N	LF-4N
Total amount of rare earth oxides %	≥82	≥82
Cerium purity and relative rare earth impurities
La₂O₃/TREO %	≥99.95	≥99.99
CeO₂/TREO %	≤0.02	≤0.004
Pr₆O₁₁/TREO %	≤0.01	≤0.002
Nd₂O₃/TREO %	≤0.01	≤0.002
Sm₂O₃/TREO %	≤0.005	≤0.001
Y₂O₃/TREO %	≤0.005	≤0.001
Non rare earth impurity
Ca%	≤0.04	≤0.03
Fe%	≤0.02	≤0.01
Na%	≤0.02	≤0.02
K%	≤0.005	≤0.002
Pb%	≤0.005	≤0.002
Al%	≤0.03	≤0.02
SiO₂%	≤0.05	≤0.04
F^–%	≥27	≥27
LOI	≤0.8	≤0.8

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