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Fast and sensitive determination of 10 forbidden phthalates in perfumes by ultra-high performance liquid chromatography-electrospray ionization-tandem mass spectrometry
Wei, Xue-Bing; Li, Ruo-Qi; Yu, Han; Wang, Ren-Qi
2018
发表期刊JOURNAL OF CHROMATOGRAPHY A
卷号1578
摘要A fast and sensitive ultra-high performance liquid chromatography-electrospray ionization-tandem mass spectrometry (UHPLC-ESI-MS/MS) method was developed for simultaneously analyzing 10 phthalates in perfume, which are forbidden by the hygienic standards for cosmetics in China (2007 edition). Matrix effect is significant on a phthalate when it is co-eluted with other phthalates. Improving the resolution between adjacent phthalate peaks is found effective in reducing the matrix effects. Thus, simultaneous analysis of the 10 phthalates requires successful resolutions of each phthalate. Nonetheless, a trade-off between the resolution and analysis time results either incomplete separation or prolonged analysis time. Here, the UHPLC elution gradient is optimized considering the predicted retention time of each phthalate. The resolutions and matrix effects of targeted compounds are evaluated to determine the optimal elution gradient for UHPLC-MS analysis method. Under the optimized gradient, the resolution between closest phthalate peaks is beyond 1.7, while the analysis time is merely 7 min. Except for dimethyl phthalate (DMP) and dicyclohexyl phthalate (DCHP), insignificant matrix effects have been found on all the phthalates. Direct quantifications through external calibration curve are appropriate for such analytes. Nonetheless, DMP and DCHP suffering obvious matrix effects require extra analyses of spiked samples for the quantifications through the standard addition method. Instrumental limits of quantitation (iLOQs) are 0.12-89 mu g L-1 for the targeted phthalates. Meanwhile, the accuracy and precision of the analytical method are good. Finally, the forbidden phthalates in 26 sampled perfumes are successfully analyzed by the developed method. (C) 2018 Elsevier B.V. All rights reserved.
关键词Phthalates UHPLC-MS Gradients Perfumes Retention behaviors Matrix effects
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/59935
专题中国科学院西北高原生物研究所
推荐引用方式
GB/T 7714
Wei, Xue-Bing,Li, Ruo-Qi,Yu, Han,et al. Fast and sensitive determination of 10 forbidden phthalates in perfumes by ultra-high performance liquid chromatography-electrospray ionization-tandem mass spectrometry[J]. JOURNAL OF CHROMATOGRAPHY A,2018,1578.
APA Wei, Xue-Bing,Li, Ruo-Qi,Yu, Han,&Wang, Ren-Qi.(2018).Fast and sensitive determination of 10 forbidden phthalates in perfumes by ultra-high performance liquid chromatography-electrospray ionization-tandem mass spectrometry.JOURNAL OF CHROMATOGRAPHY A,1578.
MLA Wei, Xue-Bing,et al."Fast and sensitive determination of 10 forbidden phthalates in perfumes by ultra-high performance liquid chromatography-electrospray ionization-tandem mass spectrometry".JOURNAL OF CHROMATOGRAPHY A 1578(2018).
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