Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 45: Issue 5
Investigations on thermal stability of adduct aluminium nitrate(V)-urea (1/6)
Authors:
A. Kozak Technical University of Cracow Institute of Inorganic Chemistry and Technology 31155 Cracow Poland

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K. Wieczorek-Ciurowa Technical University of Cracow Institute of Inorganic Chemistry and Technology 31155 Cracow Poland

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K. Pielichowski Technical University of Cracow Institute of Organic Chemistry and Technology 31155 Cracow Poland

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Pages:
1245–1253
Online Publication Date:
09 Jan 2007
Publication Date:
01 Nov 1995
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf02547501
Keywords:
adduct; aluminium nitrate(V); crystallization; thermal analyses; urea
Restricted access

Abstract  

The adduct of Al(NO3)3·6CO(NH2)2 has been prepared and characterized by means of chemical analysis, IR spectroscopy, X-ray patterns and microscopy. A thermoanalytical study of Al(NO3)3·6CO(NH2)2 as well as urea, for comparison purposes, under conventional dynamic and quasi-isothermal—quasi-isobaric conditions in air has been carried out. It has been found that the adduct is thermally stable up to about 200°C, i.e. up to higher temperature than the decomposition temperature of the constituent compounds. The thermal decomposition mechanism of the adduct is complex, thus infrared spectroscopy and X-ray diffraction techniques have been used to determine the intermediate products. Aluminium oxide(III) is the final decomposition product.

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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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