Ionic liquid-based solvent bar microeztraction and quantification using high performance liquid chromatography detection of organophosphorus pesticide in water
A rapid, effective and environmentally friendly method to determine parathion in water by HPLC with ionic liquid-based solvent bar microextraction (SBME) was introduced. The influence of extraction parameters including extraction solvent, pH of donor phase, extraction time, extraction temperature and stirring speed was investigated. The parathion enrichment factor was 120 under optimum conditions. The linear range was 1-100 ng/mL with a squared regression coefficient of 0.9982 and the detection limit was 0.1 ng/mL (S/N=3). The recoveries of spiked samples range from 90.1％ to 101.4％ with a relative standard deviation lower than 5.0％. It is needless to filtrate or separate for aqueous samples compared with other extraction methods.
solvent bar microeztraction high performance liquid chromatography hollow fiber pesticide residue analysis ionic liquid
Hailu Lin Hong Yan Hailu Lin Mingbiao Luo Hanpu Li
The College of Life Science and Bio-engineering Beijing University of Technology Beijing 100022, Chi Department of Applied Chemistry East China Institute of Technology Fuzhou, Jiangxi 344000, china
国际会议
上海
英文
2757-2760
2008-05-16（万方平台首次上网日期，不代表论文的发表时间）