Detecting PAEs in Bottled Water by SPE-LC/QQQ

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In this study, High Performance Liquid Chromatography (HPLC), combined with Triple Quadruple mass Spectrometry (QQQ) were developed and applied in the analysis of 16 phthalic acid esters (PAEs) in the common drinking water. Qualitative and quantitative analysis were carried out by Multiple Reaction Monitoring (MRM). The method, combined with Solid Phase Extraction, was established to detect the PAEs in drinking water. As showed by the results, 16 PAEs had a good linearity in the range of 1.14~101.4μg/L, with correlation coefficient between 0.996~0.999. The mean recoveries were in the range of 87.53~131.37%, with the relative standard deviation be 0.71~5.09%. The limit of quantification (LOQ) of 16 PAEs were between 1.14~32.51μg/L, with the limit of detection (LOD) be 0.34~10.67μg/L. There were five PAEs which were detected in the range of <1.7~17.2μg/L in bottled water. Some products have some PAEs which havent been shown in the national or the international standard of the drinking water.

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444-449

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November 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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