Analysis of Inorganic Pigments in Unknown Works by Painter Fernando Fader through X-Ray Fluorescence (XRF)

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Abstract: Since the last decades of the last century, non-invasive and portable analytical techniques have been developed for the study of patrimonial works. One of the techniques that have evolved is the fluorescence of x-rays. It is a procedure to be carried out at the moment of carrying out a study prior to an intervention or an authentication of a work of art. The results help to determine the type of pigments used, how they were combined (palette of a painter). Through this technique it was possible to identify the pigments used in pictorial works known by the Argentine painter Fernando Fader and which served to make the corresponding contrast of a variety of unknown works recently found on the walls of the Emiliano Guiñazú Museum Fader’s House.The test study of hypothesis of difference of means between the different chemical elements read by XRF showed for reds and blues there is no significant difference with a level of significance of 0.05 and a value of p greater than 0.2

Authors: Patricia Silvana Carrizo, Julio Ortigala, and Cristián Aguilera

Keywords: inorganic pigments, x-ray spectrometer, statistical analysis, oil painting

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8 pages

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