TG-MS analysis of the thermal decomposition of pig bone for forensic applications

被引：21

作者：

Onishi, A. ^{[1
]}

Thomas, P. S. ^{[1
]}

Stuart, B. H. ^{[2
]}

Guerbois, J. P. ^{[1
]}

Forbes, S. L. ^{[3
]}

机构：

[1] Univ Technol Sydney, Dept Chem Mat & Forens Sci, Sydney, NSW 2007, Australia

[2] Univ Technol Sydney, Ctr Forens Sci, Sydney, NSW 2007, Australia

[3] Univ Ontario, Inst Technol, Fac Sci, Oshawa, ON L1H 7K4, Canada

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2008年 / 92卷 / 01期

关键词：

bone; forensic; mass spectrometry; thermogravimetric analysis;

D O I：

10.1007/s10973-007-8741-0

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In order to investigate the potential of thermal analysis for the determination of post-mortem age, rib bone specimens were collected from the remains of a number of slaughtered pigs that were allowed to decompose in the Australian bush in a controlled site under a range of conditions for time periods ranging from 1 to 5 years. The bone specimens were cut in cross-section with the compact bone collected for analysis. TG-MS curves were collected by heating bone samples to 1100 degrees C in an argon atmosphere. The TG-MS data showed significant differences for the pig bone specimens derived from the different environments and showed trends in peak size correlating with age. The reported data suggest that TG-MS has significant potential for the identification of origin as well as the ageing of skeletal remains in a forensic context.

引用

页码：87 / 90

页数：4

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