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Thermal Volatilisation Analysis – The Development of a Novel Technique for the Analysis of Conservation Artifacts

Published online by Cambridge University Press:  01 February 2011

James Pawel Lewicki ,
Deborah Todd ,
Perrine Redon ,
John Liggat  and
Lorraine Gibson
James Pawel Lewicki
Affiliation:
james.p.lewicki@strath.ac.uk, University of Strathclyde, Pure and Applied Chemistry, Thomas Graham Building, 295 cathedral St., Glasgow, G1 1XL, United Kingdom
Deborah Todd
Affiliation:
deborah.todd@strath.ac.uk, University of Strathclyde, Pure and Applied Chemistry, Thomas Graham Building, 295 cathedral St., Glasgow, G1 1XL, United Kingdom
Perrine Redon
Affiliation:
perrine_redon@yahoo.fr, University of Strathclyde, Pure and Applied Chemistry, Thomas Graham Building, 295 cathedral St., Glasgow, G1 1XL, United Kingdom
John Liggat
Affiliation:
j.j.liggat@strath.ac.uk, University of Strathclyde, Pure and Applied Chemistry, Thomas Graham Building, 295 cathedral St., Glasgow, G1 1XL, United Kingdom
Lorraine Gibson
Affiliation:
lorraine.gibson@strath.ac.uk, University of Strathclyde, Pure and Applied Chemistry, Thomas Graham Building, 295 cathedral St., Glasgow, G1 1XL, United Kingdom
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Abstract

Reported here is the development of a novel evolved gas analysis technique; Sub-Ambient Thermal Volatilization Analysis (SATVA) and its application in characterizing key analyte species from conservation artifacts. In this work SATVA has been applied to the study of volatiles evolution processes occurring in number of model conservation artifacts. The evolution of volatile species from cured formaldehyde resin, leather and metallic artifacts has been studied by SATVA. The specific analytes making up the total quantity of evolved material in each case have been separated and identified using sub-ambient differential distillation and a combination of online mass spectrometry, gas phase IR spectroscopy and GC-MS. The data gathered has been used to provide information on both the degradation processes occurring within the artifacts and the environmental history of the artifacts themselves.

Keywords

archaeologyartchemical composition
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1047: Symposium Y – Materials Issues in Art and Archaeology VIII , 2007 , 1047-Y04-05
Copyright
Copyright © Materials Research Society 2008

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