Terbium oxide (Tb4O7)
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Terbium oxide (Tb4O7)
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CAS No:
12037-01-3
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Formula:
O7Tb4
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Chemical Name:
Terbium oxide (Tb4O7)
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Synonyms:
Terbium oxide (Tb4O7);Terbium peroxide;Tetraterbium heptoxide;Terbium oxide (Tb2O3.5);Terbium oxide (TbO1.75);188471-96-7;1346681-15-9;1708131-83-2;1793003-63-0;2114311-22-5;2222844-20-2;2377572-88-6
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CAS No:
Characteristics
95.97000
-0.68040
brown to black Powder
7.3 g/mL at 25 °C(lit.)
2340°C
H2O: insoluble
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Safety Information
NONH for all modes of transport
3
24/25
Stable under normal temperatures and pressures. Absorbs carbon dioxide from the air.
Terbium oxide (Tb4O7) Use and Manufacturing
Ignition method: Terbium nitrate, terbium carbonate or terbium sulfate solution reacts with sodium hydroxide to generate terbium hydroxide precipitate, which is filtered and burnt to produce terbium oxide. Its 4Tb(OH)3+0.5O2→Tb4O7+6H2O
Terbium Oxide, also called Terbia, has important role as an activator for green phosphors used in color TV tubes. Meanwhile Terbium Oxide is also used in special lasers and as a dopant in solid-state devices. It is also frequently used as a dopant for crystalline solid-state devices and fuel cell materials. Terbium Oxide is one of the chief commercial Terbium compounds. Produced by heating the metal Oxalate,Terbium Oxide is then used in the preparation of other Terbium compounds.
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