Analysis of archaeological ceramics by total-reflection X-ray fluorescence: Quantitative approaches |
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Authors: | R Fernández-Ruiz M Garcia-Heras |
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Institution: | 1. Servicio Interdepartamental de Investigación, Facultad de Ciencias, Universidad Autónoma de Madrid, Modulo C-9, Laboratorio de TXRF, Crta. Colmenar, Km 15, Cantoblanco, E-28049, Madrid, Spain;2. Grupo de Arqueometría de Vidrios y Materiales Cerámicos, Instituto de Historia, Centro de Ciencias Humanas y Sociales, CSIC, C/ Albasanz, 26-28, 28037 Madrid, Spain |
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Abstract: | This paper reports the quantitative methodologies developed for the compositional characterization of archaeological ceramics by total-reflection X-ray fluorescence at two levels. A first quantitative level which comprises an acid leaching procedure, and a second selective level, which seeks to increase the number of detectable elements by eliminating the iron present in the acid leaching procedure. Total-reflection X-ray fluorescence spectrometry has been compared, at a quantitative level, with Instrumental Neutron Activation Analysis in order to test its applicability to the study of this kind of materials. The combination of a solid chemical homogenization procedure previously reported with the quantitative methodologies here presented allows the total-reflection X-ray fluorescence to analyze 29 elements with acceptable analytical recoveries and accuracies. |
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Keywords: | TXRF INAA Archaeological ceramics Archaeometry Quantitative analysis |
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