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Open AccessFeature PaperArticle

Authentication of a Painting by Nicolae Grigorescu Using Modern Multi-Analytical Methods

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Faculty of Geography and Geology, Doctoral School of Geosciences, Alexandru Ioan Cuza University of Iasi, 20A Carol I St., Corp B, 700506 Iasi, Romania
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Institute of Interdisciplinary Research, Alexandru Ioan Cuza University of Iasi, ARHEOINVEST Center, 11 Carol I St., 700506 Iasi, Romania
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Romanian Inventors Forum, 3 Sf. Petru Movila St., 700089 Iasi, Romania
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Faculty of Material Science and Engineering, Gheorghe Asachi Technical University of Iași, 41 D. Mangeron St., 700050 Iasi, Romania
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Authors to whom correspondence should be addressed.
Appl. Sci. 2020, 10(10), 3558; https://doi.org/10.3390/app10103558
Received: 26 April 2020 / Revised: 18 May 2020 / Accepted: 19 May 2020 / Published: 21 May 2020
(This article belongs to the Special Issue Obtaining, Characterization and Applications of Advanced Materials)
The paper presents the expertise of authenticating a painting by Nicolae Grigorescu through the involvement of multi-analytical techniques, in order to identify and evaluate some archaeometric and chemometric characteristics of the pictorial materials and of the support, used in determining the age. The painting is made with oil colors on pressed cardboard, with preparation based on chalk powder and animal glue. The painting presents two elements as being counterfeit, which have attracted suspicions, namely the signature of the author (presenting a semi-transparent covering veil), and, on the back, a writing of dating, performed by a very controversial art historian. The investigation was carried out by direct analysis with magnification devices, in reflected UV (ultraviolet), VIS (visible), and NIR (near- infrared) light, and by OM, SEM-EDX, and μ-FTIR. The results showed that the painting is authentic and belongs to Nicolae Grigorescu, and the dating established previously by Amelia Pavel through the writing on the back is certain. View Full-Text
Keywords: oil painting; Nicolae Grigorescu; authentication; archaeometry; chemometrics; OM; static and dynamic reflection; SEM-EDX; μ-FTIR oil painting; Nicolae Grigorescu; authentication; archaeometry; chemometrics; OM; static and dynamic reflection; SEM-EDX; μ-FTIR
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MDPI and ACS Style

Tanasa, P.O.; Sandu, I.; Vasilache, V.; Sandu, I.G.; Negru, I.C.; Sandu, A.V. Authentication of a Painting by Nicolae Grigorescu Using Modern Multi-Analytical Methods. Appl. Sci. 2020, 10, 3558.

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