EDXRF as an analytical tool in art: Case studies from pigment identification and treatment assessment
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- Kallithrakas-Kontos, N. & Maravelaki-Kalaitzaki, P. J Radioanal Nucl Chem (2005) 262: 713. doi:10.1007/s10967-005-0498-y
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Energy dispersive X-ray fluorescence (EDXRF) was employed for the identification of pigments decorating Hellenistic figurines, and the assessment of the efficiency of a treatment with barium hydroxide applied to stone. Elements present in the colored areas of the figurines, as well as the treated stone was identified by EDXRF. These data together with complementary information obtained by Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction analysis (XRD) led to the identification of several precious pigments. As far as the treatment efficiency is concerned, EDXRF analysis revealed that barium is unevenly distributed on the treated surface and reaches a maximum depth of 2.5 mm.