Development of Dispersive Liquid-Liquid Microextraction Based on Solidification of Floating Organic Drop for the Determination of Trace Lead in Water

文献类型: 外文期刊

第一作者: Zhang, Jing-Wen

作者: Zhang, Jing-Wen;Wang, Yu-Kun;Du, Xin;Ma, Jing-Jun;Li, Jing-Ci;Du, Hai-Ying

作者机构:

关键词: Dispersive liquid-liquid microextraction;Flame atomic absorption spectrometry;Lead;Solidification of floating organic drop;Water analysis

期刊名称:CLEAN-SOIL AIR WATER ( 影响因子:1.77; 五年影响因子:1.955 )

ISSN: 1863-0650

年卷期: 2011 年 39 卷 12 期

页码:

收录情况: SCI

摘要: A new method for determining lead (Pb) content was developed by dispersive liquid-liquid microextraction based on the solidification of floating organic droplets followed by flame atomic absorption spectrometry. Under optimum conditions, the calibration graph was linear within the Pb content range of 8.43400 mu gL(-1) with a detection limit of 2.53 mu gL(-1). The relative standard deviation for 10 replicate measurements of 20 and 400 mu gL(-1) of Pb were 3.41 and 2.78%, respectively. The proposed method was assessed through the analysis of certified reference water and recovery experiments.

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