Articles | Volume 3, issue 2
https://doi.org/10.5194/mr-3-111-2022
https://doi.org/10.5194/mr-3-111-2022
Research article
 | 
13 Jul 2022
Research article |  | 13 Jul 2022

Insight into the structure of black coatings of ancient Egyptian mummies by advanced electron magnetic resonance of vanadyl complexes

Charles E. Dutoit, Laurent Binet, Hervé Vezin, Océane Anduze, Agnès Lattuati-Derieux, and Didier Gourier

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Field: EPR | Topic: Applications – materials
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Cited articles

Aizenshtat, Z. and Sundararaman, P.: Maturation trend in oils and asphalts of the Jordan Rift – Utilization of detailed vanadylporphyrin analysis. Geochim. Cosmochim. Acta. 53, 3185–3188, https://doi.org/10.1016/0016-7037(89)90098-7, 1989. 
Baker, E. W. and Louda, J. W.: In Biological Markers in the Sedimentary Record, edited by: John, R. B., Elsevier, Amsterdam, Netherlands, 125–225, 1986. 
Barwise, A. J. G.:, Role of Nickel and Vanadium in Petroleum Classification, Energy Fuels, 4, 647–652, https://doi.org/10.1021/ef00024a005,1990. 
Ben Tayeb, K., Delpoux, O., Barbier, J., Marques, J., Verstraete, J., and Vezin, H.: Applications of pulsed electron paramagnetic resonance spectroscopy to the identification of vanadyl complexes in asphaltene molecules. Part 1: Influence of the origin of the feed, Energy Fuels, 29, 4608–4615, https://doi.org/10.1021/acs.energyfuels.5b00733, 2015. 
Bertrand, P.: Electron Paramagnetic Resonance Spectroscopy: Fundamentals, UGA Edition, Springer, Grenoble, 444 pp., ISBN 978-3030396626, 2020. 
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Short summary
Egyptian mummies were covered with an enigmatic black organic matter. Its chemical composition is classically determined by molecular analysis methods, which are destructive by nature. In a new analytical approach based on 1H and 14N hyperfine spectroscopy, we use V+ ions, existing at trace level in this black matter, as internal probes for a non-destructive exploration of the material. The results suggest that a common recipe was used for animal and human mummies of different ages.