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Terbium (III) Fluoride (TbF3)

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Catalog Number ACM13708639-4
CAS 13708-63-9
Structure
Description Terbium (III) Fluoride (TbF3) is a white powder, insoluble in water, and moderately soluble in strong mineral acids.
Terbium Fluoride is used in special lasers and as a dopant in solid-state devices and has an important role as an activator for green phosphors used in color TV tubes. Terbium is used as a dopant in Calcium Fluoride, Calcium Tungstate, and Strontium Molybdate, Terbium 'green' phosphors (which fluoresce a brilliant lemon-yellow) are combined with divalent Europium blue phosphors and trivalent Europium red phosphors to provide the 'trichromatic' lighting technology which is by far the largest consumer of the world's Terbium supply. Trichromatic lighting provides much higher light output for a given amount of electrical energy than incandescent lighting. It is also used in alloys and in the production of electronic devices.
Synonyms Terbium trifluoride, Trifluoroterbium
Molecular Weight 215.92
Molecular Formula TbF3
Purity 99-99.99%
Appearance Powder
Application Terbium (III) Fluoride (TbF3) is often used in:
-preparation of fluoride glasses
-preparation of electroluminescent thin films and luminescent zinc sulfide
-green phosphors in color TV tubes

Appendix

Terbium (III) Fluoride (TbF3)
ItemsTbF3-4NTbF3-3NTbF3-2N
Purity99.99%99.9%99%
Chemical Composition
Tb4O7 /TREO (% min.)99.9999.999
TREO (% min.)818181
Rare Earth Impuritiesppm max.% max.% max.
Eu2O3/TREO100.010.01
Gd2O3/TREO200.10.5
Dy2O3/TREO200.20.3
Ho2O3/TREO100.020.05
Er2O3/TREO100.010.03
Tm2O3/TREO10
Yb2O3/TREO10
Lu2O3/TREO10
Y2O3/TREO10
Non-Rare Earth Impuritiesppm max.% max.% max.
Fe2O350.0010.005
SiO2500.010.03
CaO500.010.03
Cl-30.030.03
CuO3
NiO3
ZnO3
PbO3
Packaging Our products are clearly tagged and labeled externally to ensure efficient identification and quality control. Great care is taken to avoid any damage which might be caused during storage or transportation.
Type Rare Earth Fluorides

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