2010全国生物材料大会论文集之 (996).pdf

Rapid determination of semi-VOC using partly-immersed three-phase
hollow fiber liquid phase bined with
high performance liquid chromatography
Hailu Lin, Hong Yan* Hailu Lin, Mingbiao Luo, Xuejiao Peng, Wei Liu
The College of Life Science and Bio-engineering Department of Applied Chemistry
Beijing University of Technology East China Institute of Technology
Beijing, 100022, China Fuzhou, Jiangxi 344000, China
******@bjut. lhl8139@


ABSTRACT—A novel method to determine semi-volatile necessary to establish sample preparation suitable for semi-
pound(semi-VOC) was established by HPLC coupled VOC analysis wholly and efficiently.
with a partly-immersed three-phase hollow fiber liquid phase
microextraction (PI-LPME) technique for sample preparation. In this article, we developed a new approach to semi-VOC
The influence of extraction parameters anic solvent, analysis, that is partly-immersed three-phase hollow fiber
pH of donor and acceptor phase, extraction time, the proportion liquid phase microextraction (PI-LPME) controlled by a
of hollow fiber in gas and liquid were optimized. Under the syringe. Part hollow fiber exposing in gas phase, the other part
optimum conditions, the proposed method provided linear range immersed in liquid phase. Thus, it can simultaneity pre-
of -10 μg/ml with r2 , detection limit of 5 ng/ml (S/N=3), con