Cerium Fluoride

Formula: CeF₃
Nol.wt.: 197.12
CAS: 7758-88-5
Appearance: white powder
Uses: Used to enhance the radiance of arc carbon rod lamps, as an anti reflective coating for glass, an infrared laser optical component coating, a catalyst for ring opening polymerization of original bornene derivatives, and an electrolyte for electrolytic production of cerium metal.

Code	CF-3.5N	CF-4N
Total amount of rare earth oxides %	≥83	≥83
Cerium purity and relative rare earth impurities
CeO₂/TREO %	≥99.95	≥99.99
La₂O₃/TREO %	≤0.03	≤0.005
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%	≤0.02	≤0.02
Fe%	≤0.02	≤0.01
Na%	≤0.02	≤0.01
K%	≤0.01	≤0.005
Pb%	≤0.01	≤0.005
Al%	≤0.02	≤0.02
SiO₂%	≤0.05	≤0.04
F^–%	≥27	≥27
LOI%	≤0.8	≤0.8

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