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dc.contributor.author
Lana, Nerina Belén
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dc.contributor.author
Berton, Paula
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dc.contributor.author
Covaci, Adrian
dc.contributor.author
Atencio, Adrian Gonzalo
dc.contributor.author
Ciocco, Nestor Fernando
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dc.contributor.author
Altamirano, Jorgelina Cecilia
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dc.date.available
2016-05-20T14:56:41Z
dc.date.issued
2013-02-16
dc.identifier.citation
Lana, Nerina Belén; Berton, Paula; Covaci, Adrian; Atencio, Adrian Gonzalo; Ciocco, Nestor Fernando; et al.; Ultrasound leaching - dispersive liquid-liquid microextraction based on solidification of floating organic droplet for determination of polybrominated diphenyl ethers in sediment samples by gas chromatography-tandem mass spectrometry; Elsevier; Journal Of Chromatography - A; 1285; 16-2-2013; 15-21
dc.identifier.issn
0021-9673
dc.identifier.uri
http://hdl.handle.net/11336/5746
dc.description.abstract
Ultrasound leaching–dispersive liquid–liquid microextraction using solidification of floating organic droplet (USL–DLLME-SFO) technique is proposed for extraction and isolation of polybrominated diphenyl ethers (PBDEs) from sediment and further determination by gas chromatography–tandem mass spectrometry (GC–MS/MS). Parameters that affect the efficiency of the procedure were investigated by a full factorial (2k) screening design. Variables showing significant effects on the analytical responses were considered within a further central composite design (CCD). The optimization assays have led to following protocol: ultrasound assisted lixiviation of 1 g sediment was carried out by using 1.2 mL MeOH. Further, the analytes were isolated from 0.4 mL of the extract using the DLLME-SFO technique. The microextraction was performed using 0.1 mL MeOH, 22 mg 1-dodecanol, 1 mL NaCl solution 6.15 M and 4.4 mL ultrapure water as dispersive and extracting solvents, medium ionic strength and dispersant bulk, respectively. Under optimum conditions, the method exhibits good performance in terms of linearity and precision (RSD < 9.2%), with recoveries above 71% and limits of detection (LODs) within the range 0.5–1.8 pg g-1 dry weight (d.w.). Method validation was demonstrated through the analysis of environmental sediment samples in which PBDEs were detected and quantified. The presence of BDE-47, -100, -99 and -153 was reported within the concentration range of <LOD to 29 pg g-1 d.w. The proposed methodology constitutes a suitable approach for the analysis of PBDEs in complex solid samples requires minimum organic solvents consumption, sample manipulation, and increases sample throughput.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Polybrominated Diphenyl Ethers
dc.subject
Microextraction By Solidification of Floating Organic Droplet
dc.subject
Sediment
dc.subject
Gas Chromatography-Mass Spectrometry
dc.subject
Dispersive Liquid-Liquid Microextraction
dc.subject
Experimental Desing
dc.subject.classification
Química Analítica
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dc.subject.classification
Ciencias Químicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Ultrasound leaching - dispersive liquid-liquid microextraction based on solidification of floating organic droplet for determination of polybrominated diphenyl ethers in sediment samples by gas chromatography-tandem mass spectrometry
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2015-11-05T13:54:37Z
dc.journal.volume
1285
dc.journal.pagination
15-21
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Lana, Nerina Belén. Universidad Nacional de Cuyo. Facultad de Ciencias Exactas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Científico Tecnológico Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
dc.description.fil
Fil: Berton, Paula. Universidad Nacional de Cuyo. Facultad de Ciencias Exactas y Naturales. Laboratorio de Química Analítica para Investigación y Desarrollo; Argentina
dc.description.fil
Fil: Covaci, Adrian. Universiteitsplein. University of Antwerp. Toxicological Centre; Bélgica
dc.description.fil
Fil: Atencio, Adrian Gonzalo. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mendoza; Argentina
dc.description.fil
Fil: Ciocco, Nestor Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mendoza. Instituto Argentino de Investigaciones de Zonas Aridas; Argentina. Universidad Nacional de Cuyo. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Altamirano, Jorgelina Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Científico Tecnológico Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina. Universidad Nacional de Cuyo. Facultad de Ciencias Exactas y Naturales; Argentina
dc.journal.title
Journal Of Chromatography - A
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.chroma.2013.02.027
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0021967313003166
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.chroma.2013.02.027
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