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Type: Artigo de periódico
Title: Métodos matemáticos para correção de interferências espectrais e efeitos interelementos na análise quantitativa por fluorescência de raios-X
Title Alternative: Mathematical methods to correct spectral interferences and interelemental effects in X-ray fluorescence quantitative analysis
Author: Nagata, Noemi
Bueno, Maria Izabel M. S.
Peralta-Zamora, Patricio G.
Abstract: One of the main problems in quantitative analysis of complex samples by x-ray fluorescence is related to interelemental (or matrix) effects. These effects appear as a result of interactions among sample elements, affecting the x-ray emission intensity in a non-linear manner. Basically, two main effects occur; intensity absorption and enhancement. The combination of these effects can lead to serious problems. Many studies have been carried out proposing mathematical methods to correct for these effects. Basic concepts and the main correction methods are discussed here.
Subject: x-ray fluorescence
correction methods
Editor: Sociedade Brasileira de Química
Rights: aberto
Identifier DOI: 10.1590/S0100-40422001000400015
Date Issue: 1-Aug-2001
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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