Biosorbents for solid-phase extraction of toxic elements in waters |
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Authors: | Lenka Okenicová Mária Žemberyová Simona Procházková |
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Affiliation: | 1.Department of Analytical Chemistry, Faculty of Natural Sciences,Comenius University in Bratislava,Bratislava,Slovak Republic |
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Abstract: | Some trace metals are highly toxic for the environment. There is therefore a need for reliable methods for the determination of metals at trace levels. To this end, new sample pretreatment methods such as separation, preconcentration and speciation prior to the determination of metal ions have developed rapidly. Biosorption has become a major tool for solid-phase extraction methods. This review covers selected biosorbents such as algae, bacteria, filamentous fungi and yeasts, as new sorbents used in the solid-phase extraction of metal ions from various water sample matrices. A survey of the literature over 2004-2014 shows possible applications of selected new sorbents available for use in trace metal analysis in waters using solidphase extraction. We highlight the preconcentration of the toxic elements prior to their determination by atomic spectrometry. |
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