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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Jehlicka, Jan Vandenabeele, Peter Edwards, Howell G. M. Benoy, Timothy J. |
| Spatial Coverage | England |
| Description | Author Affiliation: Edwards HG ( Chemical and Forensic Sciences, School of Life Sciences, University of Bradford, Bradford BD7 1DP, UK. Electronic address: h.g.m.edwards@bradford.ac.uk.) |
| Abstract | An opportunity was afforded to analyse pigment specimens from an unrestored oil painting in the style of the English School of the mid-18th Century prior to conservation being undertaken. Raman spectroscopy was adopted to characterise the pigments and indicated the presence of a novel red pigment which was assigned to the complex chromium mineral, hemihedrite, in addition to other interesting materials found in combination. This is the first recorded identification of hemihedrite spectral signals in an art context in a range of mineral pigments that are otherwise typical of this period and some hypotheses are presented to explain its presence based on its occurrence with associated mineral pigments. It is suggested that the presence of powdered glass identified in certain areas of the painting enhanced the reflectivity of the pigment matrix. |
| ISSN | 13861425 |
| Volume Number | 118 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-01-24 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Coloring Agents Analysis Paint History Paintings Spectrum Analysis, Raman Methods Chromium England History, 18th Century Minerals Historical Article Journal Article Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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