Improved method for quantification of persistent organic pollutants and its remediation using modified clays materials

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dc.creatorRubén Alejandro Garcés Haro
dc.creatorHelvécio Costa Menezes
dc.creatorTatiana Aparecida Ribeiro dos Santos
dc.creatorAna Esperanza Burgos Castellanos
dc.creatorZenilda de Lourdes Cardeal
dc.date.accessioned2023-01-09T19:41:03Z
dc.date.accessioned2025-09-09T01:12:18Z
dc.date.available2023-01-09T19:41:03Z
dc.date.issued2019
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipOutra Agência
dc.identifier.doihttps://doi.org/10.1016/j.microc.2019.104081
dc.identifier.issn0026-265X
dc.identifier.urihttps://hdl.handle.net/1843/48799
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofMicrochemical Journal
dc.rightsAcesso Restrito
dc.subjectQuímica analítica
dc.subjectPoluentes orgânicos aquáticos
dc.subjectEndossulfano
dc.subjectCromatografia de gás
dc.subjectEspectrometria de massa
dc.subjectBentonita
dc.subjectVermiculita
dc.subject.otherPOPs analysis and remediation
dc.subject.otherDI-SPME
dc.subject.otherGC/MS
dc.subject.otherBentonite
dc.subject.otherVermiculite
dc.titleImproved method for quantification of persistent organic pollutants and its remediation using modified clays materials
dc.typeArtigo de periódico
local.citation.spage104081
local.citation.volume150
local.description.resumoThis study reports a direct immersion solid-phase microextraction method (DI-SPME) for the analysis of persistent organic pollutants (POPs), especially pesticide endosulfan, and 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) present at trace levels in water samples. The identification and quantification was performed by gas chromatography coupled to mass spectrometry (GC/MS). The optimized and validated methodology showed LOQs for endosulfan α and endosulfan β of 916.0 and 126.0 ng L−¹ respectively, and for 2,3,7,8-TCDD of 10.0 ng L−¹. Subsequently bentonite and vermiculite materials modified with cetyltrimethylammonium (CTA+) (B3CTA, B7CTA and B15CTA; V3CTA, V7CTA and V15CTA) were prepared, characterized and studied for the remediation of POPs in water.
local.identifier.orcidhttps://orcid.org/0000-0002-0744-2982
local.identifier.orcidhttps://orcid.org/0000-0002-5759-612X
local.identifier.orcidhttps://orcid.org/0000-0001-6117-5312
local.identifier.orcidhttps://orcid.org/0000-0003-1383-6299
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE QUÍMICA
local.publisher.initialsUFMG
local.url.externahttps://www.sciencedirect.com/science/article/pii/S0026265X1831765X

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