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dc.contributor.authorCárdenas-Valdivia, A.
dc.contributor.authorVereda-Alonso, Elisa Isabel 
dc.contributor.authorLópez-Guerrero, María del Mar 
dc.contributor.authorGarcía-de-Torres, Amparo 
dc.contributor.authorCano-Pavón, José Manuel 
dc.date.accessioned2017-09-21T08:58:02Z
dc.date.available2017-09-21T08:58:02Z
dc.date.created2017
dc.date.issued2017-09-21
dc.identifier.urihttp://hdl.handle.net/10630/14497
dc.description.abstractA green and rapid method was developed for the simultaneous separation/preconcentration and sequential monitoring pf arsenic, antimony and mercury by flow injection magnetic solid phase extraction coupled with on-line chemical vapor generation and determination by high resolution continuum source graphite furnace atomic absorption spectrometry. The system is based on chelating/cationic retention of the analytes onto a magnet based reactor designed to contain functionalized magnetic nanoparticles (MNPs). The MNP score allows overcoming the back-pressure problems that usually happen in SPME methods with NPs thanks to the possibility of inmobilizing the MNPs by applying an external magnetic field. Several chemical and flow variables were considered as factors in the optimization process using central composite designs. With the optimized procedure the detection limits obtained were 0.2, 0.003 and 0.4 µg/L for As, Sb and Hg respectively. For the quality control of the analytical performance and the validation of the developed method the analysis of two certified samples TM 24.3 and TMDA 54.4 Fortified Lake Waters was addressed. The results showed good agreement with the certified values.es_ES
dc.description.sponsorshipUniversidad de Málaga. Campus de Excelencia Internacional Andalucía Tech.es_ES
dc.language.isospaes_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.subjectQuímica analíticaes_ES
dc.subject.otherHR CS ETAASes_ES
dc.subject.otherSbes_ES
dc.subject.otherHges_ES
dc.subject.otherAses_ES
dc.titleSequential determination of traces of As, Sb and hg by on-line magnetic solid phase extraction coupled with Hr-Cs-Cvg-Gfaases_ES
dc.typeinfo:eu-repo/semantics/conferenceObjectes_ES
dc.centroFacultad de Cienciases_ES
dc.relation.eventtitleXXI Reunión SEQAes_ES
dc.relation.eventplaceValencia, Españaes_ES
dc.relation.eventdate05/09/2017es_ES
dc.cclicenseby-nc-ndes_ES


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