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dc.contributor.authorRumayor Villamil, Martaes_ES
dc.contributor.authorLópez Antón, María Antoniaes_ES
dc.contributor.authorDíaz Somoano, Mercedeses_ES
dc.contributor.authorMaroto Valer, Mercedeses_ES
dc.contributor.authorRichard, J-H.es_ES
dc.contributor.authorBiester, H.es_ES
dc.contributor.authorMartínez Tarazona, María Rosaes_ES
dc.date.accessioned2017-02-28T07:35:43Z-
dc.date.available2017-02-28T07:35:43Z-
dc.date.issued2015-12-21-
dc.identifier.citationTalanta 150: 272-277 (2016)es_ES
dc.identifier.issn0039-9140-
dc.identifier.urihttp://hdl.handle.net/10261/145802-
dc.description.abstractThe goal of this work is to emphasize the reliability of the thermal desorption technique in identifying mercury species. The analysis of mercury species in solids is essential for assessing the risk of disposal or re-use of mercury-contaminated materials. This study evaluates the accuracy and reliability of thermal desorption as a technique for identifying mercury species by means of different thermo-desorption devices. For this purpose, mercury species present in samples related with coal utilization processes were identified. Three devices were compared for analyzing samples free of carbon or with a low carbon content (fly ashes, gypsums and soils), and a new equipment was developed to analyze samples with a high carbon content (coal). In spite of the fact that the first three devices employ different experimental conditions (i.e., heating rate, gas flow and carrier gas), the mercury species identified in the samples were comparable in all cases. The need for new equipment for mercury speciation in materials containing carbon was a consequence of interferences produced from the pyrolysis products of the organic matter. The new device consists of two furnaces and two gas inlets to allow thermal oxidation of organic pyrolysis products and the identification of mercury species in carbonaceous samples. This new approach offers the application of thermal desorption to mercury speciation in all types of materials contaminated with mercury.es_ES
dc.description.sponsorshipThe authors are grateful to the National Research Program under project CTM2011–22921 and thank the Spanish Research Council (CSIC) for awarding Ms. Marta Rumayor a JAE-predoc fellowship and for financing her stay at the Technische Universität Braunschweig, Institut für Geoökologie (Germany).es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relation.isversionofPostprintes_ES
dc.rightsopenAccessen_EN
dc.subjectMercuryes_ES
dc.subjectSpeciationes_ES
dc.subjectCoales_ES
dc.subjectThermal desorptiones_ES
dc.titleA comparison of devices using thermal desorption for mercury speciation in solidses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.talanta.2015.12.058-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.talanta.2015.12.058es_ES
dc.identifier.e-issn1873-3573-
dc.embargo.terms2017-12-21es_ES
dc.rights.licensehttps://creativecommons.org/licenses/by-nc-nd/4.0/es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
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