Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 75: Issue 2
Neodymium and europium complexes with amides and cyclic aminoxides
Authors:
D. Melo Universidade Federal do Rio Grande do Norte Departamento de Química C. P. 1662 59078-970 Natal RN Brazil E-mail C. P. 1662 59078-970 Natal RN Brazil E-mail

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G. Vicentini Universidade de Săo Paulo Instituto de Química C. P. 26077 05513-970 Săo Paulo SP Brazil C. P. 26077 05513-970 Săo Paulo SP Brazil

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L. Zinner Universidade de Săo Paulo Instituto de Química C. P. 26077 05513-970 Săo Paulo SP Brazil C. P. 26077 05513-970 Săo Paulo SP Brazil

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K. Zinner Universidade Federal do Rio Grande do Norte Departamento de Química C. P. 1662 59078-970 Natal RN Brazil E-mail C. P. 1662 59078-970 Natal RN Brazil E-mail

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H. de Souza Universidade Federal do Rio Grande do Norte Departamento de Química C. P. 1662 59078-970 Natal RN Brazil E-mail C. P. 1662 59078-970 Natal RN Brazil E-mail

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M. Batista Universidade Federal do Rio Grande do Norte Departamento de Química C. P. 1662 59078-970 Natal RN Brazil E-mail C. P. 1662 59078-970 Natal RN Brazil E-mail

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A. Garrido Pedrosa Universidade Federal do Rio Grande do Norte Departamento de Química C. P. 1662 59078-970 Natal RN Brazil E-mail C. P. 1662 59078-970 Natal RN Brazil E-mail

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R. Bezerra Universidade Federal do Rio Grande do Norte Departamento de Química C. P. 1662 59078-970 Natal RN Brazil E-mail C. P. 1662 59078-970 Natal RN Brazil E-mail

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Pages:
623–628
Online Publication Date:
02 Nov 2004
Publication Date:
01 Feb 2004
Article Category:
Research Article
DOI:
https://doi.org/10.1023/b:jtan.0000027154.27766.2c
Keywords:
europium; neodymium; thermal behaviour; amides and cyclic aminoxides
Restricted access

Abstract  

Complexes of neodymium and europium with amides and aminoxides were synthesized and characterized by complexometric analyses with EDTA, CHN microanalytical procedures, IR absorption spectra, absorption spectra of neodymium complexes, emission spectrum of europium compounds at 77 K, thermogravimetric analyses in N2 and differential scanning calorimetry (DSC) in N2. Infrared spectroscopy results revealed that the nitrate molecules are bound to the central ions as bidentate. Thermogravimetric plots indicated that the decomposition of the complexes occurs in the range 363-1163 K and resulted in the formation of Ln2O3 residues.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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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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