Hollow fibre liquid-phase microextraction of parabens from environmental waters

被引：37
作者：
Diaz-Alvarez, Myriam [1 ]
Turiel, Esther [1 ]
Martin-Esteban, Antonio [1 ]
机构：
[1] Inst Nacl Invest & Tecnol Agr & Alimentaria INIA, Dept Medio Ambiente, Madrid 28040, Spain
来源：
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY | 2013年 / 93卷 / 07期
关键词：
parabens; hollow fibre; liquid-phase microextraction; environmental waters; CHROMATOGRAPHY-MASS SPECTROMETRY; POLYCYCLIC AROMATIC-HYDROCARBONS; MEMBRANE SOLVENT MICROEXTRACTION; PERSONAL CARE PRODUCTS; SAMPLE PREPARATION; ORGANOCHLORINE PESTICIDES; CAPILLARY-ELECTROPHORESIS; ENDOCRINE DISRUPTORS; BIOLOGICAL MATRICES; SCREENING METHOD;
D O I：
10.1080/03067319.2012.708749
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Parabens (alkyl-p-hydroxybenzoates) are antimicrobial preservatives widely used in cosmetics, toiletries, pharmaceuticals, and food. Nowadays, they are considered emerging pollutants and their determination is becoming increasingly important since they are continuously released into the environment. In this work, a hollow fibre liquid-phase microextraction method has been developed for the extraction of parabens from environmental waters. The parameters affecting the extraction of parabens (organic solvent used as liquid membrane; pH of both sample and acceptor solution; salting-out effect; extraction time and stirring speed) were carefully optimized in order to reach high recoveries for all tested analytes. Under optimum conditions, parabens were extracted from river, reservoir and sea water samples with recoveries ranging from 16.7 to 68.6% depending upon the analyte and the sample analyzed, leading to detection limits lower than 0.2ngmL(1) using a simple HPLC-UV instrument.
引用
收藏
页码：727 / 738
页数：12
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