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Comparison of ultra-performance liquid chromatography and high-performance liquid chromatography for the determination of priority pesticides in baby foods by tandem quadrupole mass spectrometry
Leandro, C.C.; Hancock, P.; Fussell, R.J.; Keely, B.J. (2006). Comparison of ultra-performance liquid chromatography and high-performance liquid chromatography for the determination of priority pesticides in baby foods by tandem quadrupole mass spectrometry. J. Chromatogr. 1103(1): 94-101. hdl.handle.net/10.1016/j.chroma.2005.10.077
In: Journal of Chromatography A. Elsevier: Amsterdam. ISSN 0021-9673, more
Peer reviewed article  

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Keyword
    Marine
Author keywords
    Tandem quadrupole mass spectrometry; UPLC; HPLC; Baby food; Pesticides

Authors  Top 
  • Leandro, C.C., more
  • Hancock, P.
  • Fussell, R.J.
  • Keely, B.J.

Abstract
    Determination of 16 priority pesticides and transformation products specified in the EU Baby Food Directive 2003/13/EC has been compared using high-performance liquid chromatography (HPLC) and ultra-performance liquid chromatography (UPLC) coupled to tandem quadrupole mass spectrometry (MS/MS). Prior to analysis, co-extractives were removed from acetonitrile extracts using dispersive solid-phase extraction (SPE) with primary secondary amine (50 mg). Extracts spiked with pesticides at 1 µg kg-1 yielded average recoveries in the range 85–119%, with relative standard deviations less than 17%. The HPLC–MS/MS and UPLC–MS/MS multi-residue methods developed are simple, rapid and suitable for the quantification and confirmation of the 16 priority pesticides in fruit-, potato- and cereal-based baby food at 1 µg kg-1. The major advantages of UPLC, using 1.7 µm particles, over HPLC are the speed of analysis, the narrower peaks (giving increased signal-to-noise ratio) and improved confirmation for the targeted pesticides in the analyses of baby foods.

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