Authors:
V. Rodríguez-Lugo Universidad Nacional Autónoma de México Instituto de Física Apartado Postal 20-364 01000 México D.F. Mexico

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L. Ortiz-Velázquez Universidad Nacional Autónoma de México Instituto de Física Apartado Postal 20-364 01000 México D.F. Mexico

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J. Miranda Universidad Nacional Autónoma de México Instituto de Física Apartado Postal 20-364 01000 México D.F. Mexico

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M. Ortiz-Rojas Universidad Nacional Autónoma de México Instituto de Física Apartado Postal 20-364 01000 México D.F. Mexico

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V. Castaño Universidad Nacional Autónoma de México Instituto de Física Apartado Postal 20-364 01000 México D.F. Mexico

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Abstract  

The characterization of samples of painted plasters obtained from the archaeological site of Xochicalco, in Central Mexico, is presented. Elemental concentrations of the painted layers were obtained by using proton induced X-ray emission (PIXE). The main crystalline structures of the samples are identified with the help of X-ray diffraction (XRD), while the microstructure is studied by scanning electron microscopy (SEM). The information resulting from the application of these three techniques is used to achieve more accurate values for the elemental concentrations. Additional data regarding organic components of the paintings was obtained through Fourier transform infrared spectrometry (FTIR). Although the latter results only provided reliable data on inorganic components, they help to clarify the results from XRD and confirm those of SEM.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)