Authors:
Z. Rzączyńska Faculty of Chemistry, Maria Curie-Skłodowska University M. C. Skłodowska Sq. 2, 20-031 Lublin, Poland M. C. Skłodowska Sq. 2, 20-031 Lublin, Poland

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A. Ostasz Faculty of Chemistry, Maria Curie-Skłodowska University M. C. Skłodowska Sq. 2, 20-031 Lublin, Poland M. C. Skłodowska Sq. 2, 20-031 Lublin, Poland

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S. Pikus Faculty of Chemistry, Maria Curie-Skłodowska University M. C. Skłodowska Sq. 2, 20-031 Lublin, Poland M. C. Skłodowska Sq. 2, 20-031 Lublin, Poland

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Rare earth elements 1,3,5-benzenetricarboxylates were prepared as solids of the general formula Ln(C9H3O6nH2O, where n=6 for La-Dy and n=4 for Ho-Lu,Y. Their solubilities in water at 293 K are of the order 10-4-10-6 mol dm-3. The IR spectra of the complexes indicate that the carboxylate groups are bridging and bidentate chelates. Hydrated 1,3,5-benzenetricarboxylates lose water molecules during heating in one step (La-Tb), two steps (Y, Ho-Tm) or three steps (Dy, Yb, Lu). The anhydrous complexes are stable up to 573-742 K and decompose to oxides (Ce-Lu) at higher temperatures.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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