Development of a multi-analytical approach to investigate the fading of eosin in painting matrices

0491159 - ÚFCH JH 2019 RIV GB eng C - Konferenční příspěvek (zahraniční konf.)
Sabatini, F. - Giugliano, R. - Degano, I. - Lluveras-Tenorio, A. - Sokolová, Romana - Thoury, M. - Colombini, M. P.
Development of a multi-analytical approach to investigate the fading of eosin in painting matrices.
IOP Conference Series: Materials Science and Engineering. Vol. 364. Bristol: Institute of Physics Publishing, 2018, č. článku 012066. ISSN 1757-8981.
[The Future of Heritage Science and Technologies. Florence (IT), 16.05.2018-18.05.2018]
Institucionální podpora: RVO:61388955
Klíčová slova: eosin * xanthenic synthetic organic dye/pigment * Aluminum salts
Obor OECD: Analytical chemistry

Eosin is a xanthenic synthetic organic dye/pigment synthesized by Caro in 1873. It was precipitated with lead and aluminum salts and commercialized as geranium lake and it was one of the most brilliant hues in the palette of the Impressionist painter Vincent van Gogh. Unfortunately, the high photosensitivity of eosin has caused the evident fading of the intense pink colorations of his canvas paintings into lighter ones. This work aims at underlying the contribution of several complementary different analytical techniques in disclosing a very complex and still little-known topic such as the degradation process of eosin.
Trvalý link: http://hdl.handle.net/11104/0285212