Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 98: Issue 1
The estimation of pig bone age for forensic application using thermogravimetric analysis
Authors:
S. Raja

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P. Thomas University of Technology Department of Chemistry and Forensic Sciences Sydney P.O. Box 123 NSW 2007 Australia

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B. Stuart

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J. Guerbois University of Technology Department of Chemistry and Forensic Sciences Sydney P.O. Box 123 NSW 2007 Australia

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C. O’Brien University of Ontario Institute of Technology Faculty of Science 2000 Simcoe St. North Oshawa ON L1H 7K4 Canada

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Pages:
173–176
Online Publication Date:
23 Jun 2009
Publication Date:
01 Oct 2009
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-009-0124-2
Keywords:
Bone; Decomposition; Forensic; Thermogravimetric analysis
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Abstract  

An accurate means of determining bone age is a goal for forensic scientists. In this study, thermogravimetric analysis (TGA) has been used to examine pig bone specimens of different post-mortem age. Analysis of bone in both air and nitrogen atmospheres reveals a decrease in total mass loss as the bones age. Two mass loss steps due to the decomposition of the organic bone components were observed and show decreasing trends with age for decomposition in an air atmosphere. In a nitrogen atmosphere the decomposition was observed to be more complex and age dependence of the mass loss for each step was not identified. The TGA data, however, demonstrates the potential of the technique as a means of estimating post-mortem age of forensic bone specimens.

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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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