Simultaneous determination of vanadium and lead in unsegmented flow systems of variable flow rate |
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| Authors: | Juliana Marcos, Gloria del Campo, Angel Rí os Miguel Valcá rcel |
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| Affiliation: | (1) Department of Analytical Chemistry, University of Córdoba, E-14004 Cordoba, Spain;(2) Present address: Department of Analytical Chemistry, University of Pais Vasco, San Sebastian, Spain |
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| Abstract: | Summary A completely continuous flow system and one with injection of the sample based on variable flow rates were used to develop a simultaneous determination for vanadium(V) and lead(II). Each metal ion is complexed with 4-(2-pyridyl-azo) resorcinol at a different pH which was established in the flow system by changing the flow rate. The features of the proposed determinative methods are discussed and compared with those of others reported in the literature. |
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