Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 41: Issue 4
The dehydration behaviour of rare earth complexes of m -nitrobenzoic acid
Authors: Z. Wang 1 , C. Niu 1 , J. Ma 1 , and J. Ni 1
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  • 1 Academy Sinica Laboratory of Rare Earth Chemistry and Physics Changchum Institute of Applied Chemistry 130022 Changchun P. R. China
Pages:
899–907
Online Publication Date:
09 Jan 2007
Publication Date:
01 Apr 1994
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf02547169
Keywords:
complexes; DTA-TG-DSC; IR; luminescent materials; rare earth complexes of m -nitrobenzoic acid; X-ray
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Abstract  

Rare earth complexes ofm-nitrobenzoic acid (LnL3·2H2O,Ln=La-Lu and Y, except Pm, HL=m-nitrobenzoic acid) were synthesized and characterized by elemental analysis, chemical analysis, IR spectroscopy and X-ray diffraction analysis. The dehydration behaviour of these complexes was studied in detail by means of TG-DTA and DSC. Dehydration occurs over the temperature range 76–215°C, and the temperature of formation of the anhydrous complexes decreases with increasing atomic number of the rare earth. The activation energies and enthalpy changes for te dehydration were obtained.

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
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Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
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Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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