Simultaneous determination of elemental content in water samples by total reflection X-ray fluorescence and atomic absorption spectrometry |
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| Authors: | M G Macedo-Miranda G Zarazua E Mejía-Zarate P Avila-Pérez B Barrientos-Becerra and S Tejeda |
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| Institution: | (1) Instituto Tecnológico de Toluca, División de Estudios de Posgrado e Investigación, Apartado Postal 890, Metepec, México, C.P., 52140, México;(2) Instituto Nacional de Investigaciones Nucleares, Gerencia de Ciencias Ambientales, Apartado Postal 18-1027, México D. F., C.P., 11801, México |
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| Abstract: | An analytical exercise between two laboratories was performed in order to compare the elemental composition of a water sample.
The metal concentration of Cr, Cu, Fe, Mn, Ni, Pb, and Zn in the water sample was analyzed by Total Reflection X-Ray Fluorescence
and Atomic Absorption Spectrometry. The analysis by Total Reflection X-Ray Spectrometry was realized by an Ital Structures
TX-2000 and the analysis by Atomic Absorption Spectrometry was made by a Perkin Elmer Spectrophotometer Model 3110. Results
show a good agreement in the metal concentrations obtained by both techniques. The variation coefficient between the results
with both techniques was less than 14%. Therefore, it is possible to conclude that both techniques are reliable and adequate
for the determination of these elements in environmental water samples. |
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