Matrix assisted laser desorption/ionization time-of-flight mass spectrometric determination of benzo[a] pyrene using a MIL-101(Fe) matrix
文献类型： 外文期刊
第一作者： Wang, Jun-ping
作者： Wang, Jun-ping;Wang, Ying;Guo, Xiaohua;Wang, Peng;Zhao, Tao;Wang, Junying
作者机构：
关键词： Benzo[a] pyrene; Metal-organic framework; Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry; Vegetable oil
期刊名称：MICROCHIMICA ACTA （ 影响因子：5.833； 五年影响因子：5.357 ）
ISSN： 0026-3672
年卷期： 2018 年 185 卷 3 期
页码：
收录情况： SCI
摘要： A method is described for the matrix assisted laser desorption/ionization time-of-flight (MALDI-TOF)-based determination of benzo[ a] pyrene (BaP) by using the metal-organic framework MIL-101(Fe) as a matrix. Following optimization of the experimental parameters, the method has a detection limit as low as 0.1 mu g.L-1, which makes it more sensitive than previous methods for BaP analysis, and its analysis time is only 1 min. Its applicability was evaluated by analyzing sesame oil, linseed oil, camellia seed oil, and olive oil spiked with BaP at three levels (10, 1, and 0.5 mu g.kg(-1)), and the recovery range was found to range from 80.0 to 114.8% with relative standard deviations (RSDs) between 3.9 and 13.7%.
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