2001
DOI: 10.1590/s0100-40422001000200012
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Acoplamento cromatografia gasosa - espectrometria de absorção atômica em estudos de especiação: uma revisão

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Cited by 6 publications
(5 citation statements)
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“…[2][3][4] Over the last decade, however, more and more attention has been given to the determination of species in which a metal is present, since the toxicity, bioavailability, mobility and other properties depend on the chemical form of an element. 5 In this sense, in addition to the total concentration of an element in a sample, fractionation 6 using sequential extraction schemes has been proposed in order to determine the fraction of a metallic element bound to specific phases of the solid matrix in cases where a true speciation analysis is not possible. 7 The use of fractionation procedures permits, for example, the determination of how much of the total analyte is available for plants or is accessible to the environment.…”
Section: Introductionmentioning
confidence: 99%
“…[2][3][4] Over the last decade, however, more and more attention has been given to the determination of species in which a metal is present, since the toxicity, bioavailability, mobility and other properties depend on the chemical form of an element. 5 In this sense, in addition to the total concentration of an element in a sample, fractionation 6 using sequential extraction schemes has been proposed in order to determine the fraction of a metallic element bound to specific phases of the solid matrix in cases where a true speciation analysis is not possible. 7 The use of fractionation procedures permits, for example, the determination of how much of the total analyte is available for plants or is accessible to the environment.…”
Section: Introductionmentioning
confidence: 99%
“…Apesar dos métodos espectrofotométricos ainda serem os mais empregados, por causa da elevada praticidade em laboratório e rapidez nos ensaios (Bastola et al, 2017;Wolff et al, 2019), a Cromatografia Líquida de Alta Eficiência (HPLC ou CLAE) acoplada a diferentes tipos de detectores, como UV-Vis ou espectrômetro de massa (MS), é uma das técnicas mais empregadas para a determinação e quantificação dos polifenóis, sendo considerada a mais robusta, principalmente quando é necessário se efetuar a separação e quantificação dos componentes isolados ou efetuar elucidação estrutural de um compenente de estrutura desconhecida (Campos & Grinberg, 2001;Kalili & Villiers, 2011).…”
Section: Métodos Analíticos De Identificação E Quantificaçãounclassified
“…A number of excellent reviews on hyphenated techniques in trace element speciation have been recently published, that give detailed reports on the coupling and on various applications accomplished. [45][46][47][48][49][50]…”
Section: Hyphenated Techniques In Analytical Speciationmentioning
confidence: 99%