1.Determination of Phosphates, Tetrabromobisphenol A and Sudan Ⅰ in Children Products by Ultra Performance Liquid Chromatography-Mass Spectrometry
Ying LAI ; Rui LIN ; Weijing LIN ; Xiuxiu GE ; Qingmu DONG ; Bin LI ; Huajun DING ; Haixia LIN ; Xingpeng TU ; Xiaoling CHEN ; Shuai YE
Chinese Journal of Analytical Chemistry 2016;(8):1236-1242
A reliable UPLC-MS method was developed for the simultaneous determination of 4 chemicals (Sudan Ⅰ, tetrabromobisphenol A, tris ( 1, 3-dichloroisopropyl ) phosphate and tris ( chlorisopropyl ) Phosphate) in children products. The samples were ultrasonic extracted with acetonitrile, and then the four chemicals were separated on a C18 column in 3 min. Results showed that the limit of quantification of the method was between 5 and 500μg/kg. The calibration curves were linear within 2-3 orders of magnitude with typical correlation coefficient above 0 . 9995 . The recoveries ranged from 83 . 7% to 97 . 8% with three addition levels. The sensitivity, recovery and selectivity of the method could fully meet the requirements of practical work.
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