Synthesis and Physicochemical Properties of Yttrium Subgroup REE Lactates Ln(C3H5O3)3·2H2O (Ln = Y, Tb–Lu)

A series of yttrium subgroup rare earth elements (REE) lactates of [Ln(C 3 H 5 O 3 ) 3 (H 2 O) 2 ] (Ln = Tb–Lu) composition isostructural to yttrium lactate has been prepared for the first time. Synthesis of crystalline REE lactates has been performed from solutions of REE nitrates in the presence o...

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Bibliographic Details
Published in:Russian journal of inorganic chemistry 2023-10, Vol.68 (10), p.1414-1424
Main Authors: Golikova, M. V., Yapryntsev, A. D., Jia, Z., Fatyushina, E. V., Baranchikov, A. E., Ivanov, V. K.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Composition
Coordination Compounds
Hexamethylenetetramine
Infrared spectroscopy
Inorganic Chemistry
Lactates
Lactic acid
Rare earth elements
Subgroups
Synthesis
Thermal decomposition
X ray powder diffraction
Yttrium
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Summary:A series of yttrium subgroup rare earth elements (REE) lactates of [Ln(C 3 H 5 O 3 ) 3 (H 2 O) 2 ] (Ln = Tb–Lu) composition isostructural to yttrium lactate has been prepared for the first time. Synthesis of crystalline REE lactates has been performed from solutions of REE nitrates in the presence of L-lactic acid and hexamethylenetetramine. The composition and structure of the obtained compounds have been confirmed by X-ray powder diffraction, thermal, and chemical (CHN) analysis. The coordination type of lactate anions to REE cations has been determined by IR spectroscopy. Thermal decomposition of REE lactates at 800°C leads to formation of nanocrystalline (20–40 nm) REE (Y, Tb–Lu) oxides.
ISSN:0036-0236
1531-8613
DOI:10.1134/S0036023623601800