Simultaneous Determination of Aniline, Benzidine, Microcystins, and Carbaryl in Water Using Ultra-Performance Liquid Chromatography–Electrospray Ionization Tandem Mass Spectrometry
2017
Shen, Fei | Wang, Li-Hong | Zhou, Qing | Huang, Xiao-Hua | Zhang, Jia-Zhi | Zhu, Pei-Yu | Dai, Xiu-Li | Xu, Yan-Juan
A method for simultaneously determining the levels of aniline, benzidine, microcystin variants (microcystin-LR, RR, and YR) and carbaryl in water was developed based on ultra-performance liquid chromatography–electrospray ionization tandem mass spectrometry (UPLC-MS/MS). The chromatographic conditions were optimized for the trace determination. Without sample enrichment, the method detection limit for all test compounds ranged from 0.040 to 0.155 μg/L; meanwhile, the recoveries for all test compounds were 83.1–114%. Precision, indicated by the relative standard deviation, was <12.9%. The results meet the requirements for the determination of these compounds. Without the need to clean up the samples, the results of the analysis of samples from wastewater and surface water demonstrated that the UPLC-MS/MS method has the capability to analyze complex matrices in the trace-level monitoring of wastewater samples.
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