The identification of synthetic organic pigments in modern paints and modern paintings using pyrolysis-gas chromatography–mass spectrometry

Russell, Joanna, Singer, Brian, Perry, Justin and Bacon, Anne (2011) The identification of synthetic organic pigments in modern paints and modern paintings using pyrolysis-gas chromatography–mass spectrometry. Analytical and Bioanalytical Chemistry, 400 (5). pp. 1473-1491. ISSN 1618-2642

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Official URL: http://dx.doi.org/10.1007/s00216-011-4822-9

Abstract

A collection of more than 70 synthetic organic pigments were analysed using pyrolysis-gas chromatography-mass spectrometry (Py-GC-MS). We report on the analysis of diketo-pyrrolo-pyrrole, isoindolinone and perylene pigments which are classes not previously reported as being analysed by this technique. We also report on a number of azo pigments (2-naphthol, naphthol AS, arylide, diarylide, benzimidazolone and disazo condensation pigments) and phthalocyanine pigments, the Py-GC-MS analysis of which has not been previously reported. The members of each class were found to fragment in a consistent way and the pyrolysis products are reported. The technique was successfully applied to the analysis of paints used by the artist Francis Bacon (1909-1992), to simultaneously identify synthetic organic pigments and synthetic binding media in two samples of paint taken from Bacon's studio and micro-samples taken from three of his paintings and one painting attributed to him.

Item Type: Article
Uncontrolled Keywords: Py-GC-MS, Francis Bacon,synthetic organic pigment, Pyrolysis, art, mass spectrometry
Subjects: C900 Others in Biological Sciences
W900 Others in Creative Arts and Design
Department: Faculties > Health and Life Sciences > School of Life Sciences > Applied Sciences
Depositing User: Ay Okpokam
Date Deposited: 19 Dec 2011 11:51
Last Modified: 10 Aug 2015 11:40
URI: http://nrl.northumbria.ac.uk/id/eprint/4207

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