http://orcid.org/0000-0003-3947-2323
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ABSTRACT
Hollow-fiber liquid-phase microextraction based on carrier-mediated transport for analysis of methyl hippuric acids in aqueous samples is described. Under optimized conditions, relative recoveries of 83%–98% and limits of detection of 2–3 µg L−1 were obtained, with linear calibration curves for the three isomers in the range of 10–50,000 µg L−1. The method was applied for the determination of urine samples of volunteers at various working environments.
Acknowledgments
This study was part of PhD thesis at Hamadan University of Medical Sciences, and the authors would like to thank for the financial support (Grant no. 9308203949) for this research.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
Hamadan University of Medical Sciences [grant number 9308203949].