The forensic analysis of office paper using carbon isotope ratio mass spectrometry-Part 2: Method development, validation and sample handling

Jones, K; Benson, S; Roux, C

The forensic analysis of office paper using carbon isotope ratio mass spectrometry-Part 2: Method development, validation and sample handling

Jones, K Benson, S Roux, C

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Publication Type:: Journal Article
Citation:: Forensic Science International, 2013, 231 (1-3), pp. 364 - 374
Issue Date:: 2013-09-10

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Field	Value	Language
dc.contributor.author	Jones, K	en_US
dc.contributor.author	Benson, S	en_US
dc.contributor.author	Roux, C https://orcid.org/0000-0003-3610-420X	en_US
dc.date.available	2013-05-07	en_US
dc.date.issued	2013-09-10	en_US
dc.identifier.citation	Forensic Science International, 2013, 231 (1-3), pp. 364 - 374	en_US
dc.identifier.issn	0379-0738	en_US
dc.identifier.uri	http://hdl.handle.net/10453/26469
dc.description.abstract	This paper describes the development and validation of a method for the analysis of office papers by measuring carbon isotopes using isotope ratio mass spectrometry (IRMS). The method development phase included testing protocols for storage, sample materials, set-up of the analytical run; and examining the effects of other paper examination procedures on IRMS results. A method validation was performed so that the Deltaplus XP IRMS instrument (Thermo Finnigan, Bremen, Germany) with Flash EA™ 1112 could be used to measure document paper samples for forensic casework. A validation protocol that would meet international standards for laboratory accreditation (international standard ISO 17025) was structured so that the instruments performance characteristics could be observed. All performance characteristics measured were found to be within an acceptable range and an expanded measurement uncertainty for the measurement of carbon isotopes in paper was calculated at 0.26‰, with a coverage factor of 2. This method was utilized in a large-scale study, published as part one of this series, that showed that IRMS of document papers is useful as a chemical comparison technique for 80gsm white office papers. © 2013.	en_US
dc.relation.ispartof	Forensic Science International	en_US
dc.relation.isbasedon	10.1016/j.forsciint.2013.05.009	en_US
dc.subject.classification	Legal & Forensic Medicine	en_US
dc.title	The forensic analysis of office paper using carbon isotope ratio mass spectrometry-Part 2: Method development, validation and sample handling	en_US
dc.type	Journal Article
utslib.citation.volume	1-3	en_US
utslib.citation.volume	231	en_US
utslib.for	0399 Other Chemical Sciences	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
pubs.organisational-group	/University of Technology Sydney/Strength - CFS - Centre for Forensic Science
utslib.copyright.status	closed_access
pubs.issue	1-3	en_US
pubs.publication-status	Published	en_US
pubs.volume	231	en_US

Abstract:

This paper describes the development and validation of a method for the analysis of office papers by measuring carbon isotopes using isotope ratio mass spectrometry (IRMS). The method development phase included testing protocols for storage, sample materials, set-up of the analytical run; and examining the effects of other paper examination procedures on IRMS results. A method validation was performed so that the Deltaplus XP IRMS instrument (Thermo Finnigan, Bremen, Germany) with Flash EA™ 1112 could be used to measure document paper samples for forensic casework. A validation protocol that would meet international standards for laboratory accreditation (international standard ISO 17025) was structured so that the instruments performance characteristics could be observed. All performance characteristics measured were found to be within an acceptable range and an expanded measurement uncertainty for the measurement of carbon isotopes in paper was calculated at 0.26‰, with a coverage factor of 2. This method was utilized in a large-scale study, published as part one of this series, that showed that IRMS of document papers is useful as a chemical comparison technique for 80gsm white office papers. © 2013.

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http://hdl.handle.net/10453/26469