Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 91: Issue 1
Synthesis, characterization and thermodynamic data of compounds with NZP structure
Authors:
V. Pet’kov Nizhniy Novgorod State University Department of Chemistry pr. Gagarina, 23 Nizhniy Novgorod 603950 Russia

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E. Asabina Nizhniy Novgorod State University Department of Chemistry pr. Gagarina, 23 Nizhniy Novgorod 603950 Russia

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A. Markin Nizhniy Novgorod State University Department of Chemistry pr. Gagarina, 23 Nizhniy Novgorod 603950 Russia

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N. Smirnova Nizhniy Novgorod State University Department of Chemistry pr. Gagarina, 23 Nizhniy Novgorod 603950 Russia

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Pages:
155–161
Online Publication Date:
02 Oct 2007
Publication Date:
01 Jan 2008
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-007-8370-7
Keywords:
calorimetry; heat capacity; NZP phosphates; synthesis; thermodynamic functions
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Abstract  

Data on synthesis, thermal behavior and thermodynamic properties for the NZP phosphates NaMe2(PO4)3 and Na5Me(PO4)3 (Me=Ti, Zr, Hf) are reported. The compounds were synthesized by sol-gel method and solid-state reactions and characterized by X-ray powder diffraction, IR spectroscopy, electron microprobe and chemical analysis. Their thermal behavior was studied by the DTA measurements. The heat capacities of the phosphates were measured between temperatures 7 and 650 K. The fractal dimensions for the phosphates were calculated. The obtained thermodynamic characteristics of these phosphates and also literature data for the compounds of NZP type structure are summarized.

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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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