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Terbium acetate

From Wikipedia, the free encyclopedia

Terbium acetate
Names
Other names
Terbium acetate
Terbium triacetate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.042.772 Edit this at Wikidata
EC Number
  • 247-065-3
  • InChI=1S/3C2H4O2.Tb/c3*1-2(3)4;/h3*1H3,(H,3,4);/q;;;+3/p-3
    Key: JQBILSNVGUAPMM-UHFFFAOYSA-K
  • CC(=O)[O-].CC(=O)[O-].CC(=O)[O-].[Tb+3]
Properties
Tb(CH3COO)3
Appearance White crystals
Related compounds
Other cations
 Gadolinium acetate
Dysprosium acetate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Terbium(III) acetate is the acetate salt of terbium, with a chemical formula of Tb(CH3COO)3.

Physical properties

Terbium(III) acetate reacts with caesium carbonate to form a precipitation of terbium hydroxycarbonate, which reacts with excess caesium carbonate and dissolves again. The reaction was irradiated with ultraviolet light with a wavelength of 365 nm, which has the characteristic green light of terbium.

The tetrahydrate of terbium acetate can lose hydration at 60 °C, obtaining the anhydrate at 180 °C, which starts to decompose at 220 °C, forming terbium oxide at 650 °C.[1]

References

  1. ^ Manabe, Kazuo; Ogawa, Makoto. Thermal decomposition of terbium(III) acetate tetrahydrate (in Japanese). Nippon Kagaku Kaishi, 1982. Issue 4. pp 694-6. ISSN:0369-4577

External reading

  • Lossin, Adalbert; Meyer, Gerd. Anhydrous rare-earth acetates, M(CH3COO)3 (M = samarium-lutetium, yttrium) with chain structures. Crystal structures of Lu(CH3COO)3 and Ho(CH3COO)3 (in German). Zeitschrift fuer Anorganische und Allgemeine Chemie, 1993. 619(9): 1609–1615. ISSN:0044-2313
This page was last edited on 2 September 2023, at 17:08
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