Graphene oxide/Fe3O4 as sorbent for magnetic solid-phase extraction coupled with liquid chromatography to determine 2,4,6-trinitrotoluene in water samples
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http://hdl.handle.net/10045/66393
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DC Field | Value | Language |
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dc.contributor | Espectroscopía Atómica-Masas y Química Analítica en Condiciones Extremas | es_ES |
dc.contributor.author | Costa dos Reis, Luciana | - |
dc.contributor.author | Vidal, Lorena | - |
dc.contributor.author | Canals, Antonio | - |
dc.contributor.other | Universidad de Alicante. Departamento de Química Analítica, Nutrición y Bromatología | es_ES |
dc.contributor.other | Universidad de Alicante. Instituto Universitario de Materiales | es_ES |
dc.date.accessioned | 2017-05-30T09:05:13Z | - |
dc.date.available | 2017-05-30T09:05:13Z | - |
dc.date.issued | 2017-04 | - |
dc.identifier.citation | Analytical and Bioanalytical Chemistry. 2017, 409(10): 2665-2674. doi:10.1007/s00216-017-0211-3 | es_ES |
dc.identifier.issn | 1618-2642 (Print) | - |
dc.identifier.issn | 1618-2650 (Online) | - |
dc.identifier.uri | http://hdl.handle.net/10045/66393 | - |
dc.description.abstract | A fast, simple, economical, and environmentally friendly magnetic solid-phase extraction (MSPE) procedure has been developed to preconcentrate 2,4,6-trinitrotoluene (TNT) from water samples prior to determination by liquid chromatography-UV-Vis employing graphene oxide/Fe3O4 nanocomposite as sorbent. The nanocomposite synthesis was investigated, and the MSPE was optimized by a multivariate approach. The optimum MSPE conditions were 40 mg of nanocomposite, 10 min of vortex extraction, 1 mL of acetonitrile as eluent, and 6 min of desorption in an ultrasonic bath. Under the optimized experimental conditions, the method was evaluated to obtain a preconcentration factor of 153. The linearity of the method was studied from 1 to 100 μg L−1 (N = 5), obtaining a correlation coefficient of 0.994. The relative standard deviation and limit of detection were found to be 12% (n = 6, 10 μg L−1) and 0.3 μg L−1, respectively. The applicability of the method was investigated, analyzing three types of water samples (i.e., reservoir and drinking water and effluent wastewater) and recovery values ranged between 87 and 120% (50 μg L−1 spiking level), showing that the matrix had a negligible effect upon extraction. Finally, the semiquantitative Eco-Scale metrics confirmed the greenness of the developed method. | es_ES |
dc.description.sponsorship | The authors would like to thank the Ministry of Science and Innovation of Spain (project no. CTQ2011-23968) for the financial support and L. Costa thanks the Capes Foundation within the Ministry of Education in Brazil (Process 12013/13-7). | es_ES |
dc.language | eng | es_ES |
dc.publisher | Springer Berlin Heidelberg | es_ES |
dc.rights | © Springer-Verlag Berlin Heidelberg 2017. The final publication is available at Springer via http://dx.doi.org/10.1007/s00216-017-0211-3 | es_ES |
dc.subject | Graphene oxide/Fe3O4 nanocomposite | es_ES |
dc.subject | Liquid chromatography-UV-Vis | es_ES |
dc.subject | Magnetic solid-phase extraction | es_ES |
dc.subject | 2,4,6-Trinitrotoluene | es_ES |
dc.subject | Water samples | es_ES |
dc.subject.other | Química Analítica | es_ES |
dc.title | Graphene oxide/Fe3O4 as sorbent for magnetic solid-phase extraction coupled with liquid chromatography to determine 2,4,6-trinitrotoluene in water samples | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.peerreviewed | si | es_ES |
dc.identifier.doi | 10.1007/s00216-017-0211-3 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1007/s00216-017-0211-3 | es_ES |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MICINN//CTQ2011-23968 | - |
Appears in Collections: | INV - SP-BG - Artículos de Revistas |
Files in This Item:
File | Description | Size | Format | |
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2017_Costa-dos-Reis_etal_AnalBioanalChem_final.pdf | Versión final (acceso restringido) | 1,01 MB | Adobe PDF | Open Request a copy |
2017_Costa-dos-Reis_etal_AnalBioanalChem_revised.pdf | Versión revisada (acceso abierto) | 1,61 MB | Adobe PDF | Open Preview |
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