Abstract
This paper describes the development of a new multisyringe flow injection analysis set-up that enables the complete automation of the dispersive liquid–liquid microextraction (DLLME) technique using solvents lighter than water. Its hyphenation with a liquid chromatographic separation is implemented using a single multisyringe pump obtaining a compact, simple, easy to operate, and fast instrument. DLLME is carried out with a throughput of 42 h−1 and DLLME for the extraction of benzo(a)pyrene and its subsequent chromatographic determination can be carried out with an analysis throughput of 7 h−1.
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Acknowledgments
F. M. thanks the Conselleria d’Economia, Hisenda i Innovació from the Government of the Balearic Islands (CAIB) for allocation of a PhD stipend. The authors are grateful to the Ministerio de Ciencia y Tecnología (Spain) for financial support through projectCTQ2010-15541. The authors extended their appreciation to Prof. J. G. March for the provision of reagents/solvents.
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Maya, F., Estela, J.M. & Cerdà, V. Completely automated in-syringe dispersive liquid–liquid microextraction using solvents lighter than water. Anal Bioanal Chem 402, 1383–1388 (2012). https://doi.org/10.1007/s00216-011-5572-4
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DOI: https://doi.org/10.1007/s00216-011-5572-4