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Optimization of the preconcentration system of cadmium with 1(2-thiazolylazo)-p-cresol using a knotted reactor and flame atomic absorption spectrometric detection
Department of Analytical Chemistry, Faculty of Chemistry, Biochemistry and Pharmacy, National University of San Luis, Chacabuco and Pedernera, P.O. Box 375, 5700 San Luis, Argentina
Grupo de Pesquisa em Quı́mica Analı́tica, Instituto de Quı́mica, Universidade Federal da Bahia, Campus Universitário de Ondina, Salvador, Bahia 40170-290, Brazil
Department of Analytical Chemistry, Faculty of Chemistry, Biochemistry and Pharmacy, National University of San Luis, Chacabuco and Pedernera, P.O. Box 375, 5700 San Luis, Argentina
Department of Analytical Chemistry, Faculty of Chemistry, Biochemistry and Pharmacy, National University of San Luis, Chacabuco and Pedernera, P.O. Box 375, 5700 San Luis, Argentina
Consejo Nacional de Investigaciones Cientı́ficas y Técnicas (CONICET), Rivadavia 1917, CP C1033 AAJ, Ciudad de Buenos Aires, Argentina
Department of Analytical Chemistry, Faculty of Chemistry, Biochemistry and Pharmacy, National University of San Luis, Chacabuco and Pedernera, P.O. Box 375, 5700 San Luis, Argentina
Consejo Nacional de Investigaciones Cientı́ficas y Técnicas (CONICET), Rivadavia 1917, CP C1033 AAJ, Ciudad de Buenos Aires, Argentina