Terbium Fluoride

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Appearance:WhiteCasno:13708-63-9
Formula:FTbWeight:177.9227
Einecs:237-247-0Melting:1172ºC
Boiling:19.5 ºC at 760 mmHgSoluble:Insoluble in water, moderately soluble in strong mineral acids
Detailed Specification
Spec 99.999% 99.99% 99.9% 99%
CHEMICAL COMPOSITION
Tb4O7/TREO (%Min.) 99.999 99.99 99.9 99
TREO (%Min.) 81 81 81 81
Rare Earth Impurities %Max. %Max. %Max. %Max.
Eu2O3/TREO
Gd2O3/TREO
Dy2O3/TREO
Ho2O3/TREO
Er2O3/TREO
Tm2O3/TREO
Yb2O3/TREO
Lu2O3/TREO
Y2O3/TREO
0.0001
0.0005
0.0005
0.0001
0.0001
0.0001
0.0001
0.0001
0.0003
0.001
0.002
0.002
0.001
0.001
0.001
0.001
0.001
0.001
0.01
0.1
0.15
0.02
0.01
0.01
0.5
0.3
0.05
0.03
Non-Rare Earth Impurities %Max. %Max. %Max. %Max.
Fe2O3
SiO2
CaO
Cl-
CuO
NiO
ZnO
PbO

0.0001
0.003
0.001
0.005
0.0001
0.0001
0.0001
0.0001
0.0005
0.005
0.005
0.01
0.0003
0.0003
0.0003
0.0003
0.001
0.01
0.01
0.03
0.005
0.03
0.03
0.03
Packing: 50KGs Iron Drum
Stability: Slightly hygroscopic
Application: and has important role as an activator for green phosphors used in colour TV tubes.
Synonyms: Terbium trifluoride;Terbium(3+) trifluoride; terbium(+3) cation fluoride