Cesareo, Roberto and Bustamante Domínguez, Ángel Guillermo and Fabián Salvador, Julio Andrés and Calza, Cristiane and Dos Anjos, Marcelino José and Lopes, Ricardo Tadeu and Elera Arévalo, Carlos Gustavo and Shimada, Izumi and Curay, Victor and Rizzutto, Marcia A. (2010) Energy-dispersive X-ray fluorescence analysis of a pre-Columbian funerary gold mask from the Museum of Sicán, Peru. X-Ray Spectrometry, Vol. 39 (2), p. 122-126. eISSN 1097-4539. Article.
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A funerary gold mask from the Museum of Sicán, Ferrañafe, Peru was analyzed in 30 different areas using a portable equipment using energy-dispersive X-ray fluorescence. It was deduced from the measurements that the main sheet of the mask and the majority of the pendants have a similar composition and are made of tumbaga, which means a poor gold alloy enriched at the surface by depletion gilding, and have a similar ‘equivalent’ gilding thickness of about 5 µm. The nose, also on tumbaga, has different composition and a thickness of about 8 µm. The clamps are on gilded or on silvered copper. The red pigment dispersed on the surface of the mask is cinnabar.
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