Multiwalled carbon nanotubes as a solid-phase extraction adsorbent for the determination of bisphenol a, 4-n-nonylphenol, and 4-tert-octylphenol
Cai, YQ; Jiang, GB; Liu, JF; Zhou, QX
2003
发表期刊ANALYTICAL CHEMISTRY
卷号75期号:10页码:2517-2521
摘要The adsorptive potential of multiwalled carbon nanotubes (MWNTs) for solid-phase extraction of bisphenol A, 4-n-nonylphenol, and 4-tert-octylphenol was investigated for the first time. The three analytes are quantitatively adsorbed on a MWNTs-packed cartridge, then the analytes retained on the cartridge are quantitatively desorbed with suitable amounts of methanol. Finally, the analytes in the methanol eluate are determined by high performance liquid chromatography-fluoromebric detection. Parameters influencing the extraction efficiency, such as volume of the sample solutions, pH of the sample, and the eluent volume, were examined. Comparative studies showed that MWNTs were superior to C-18 for the extraction of the more polar analyte bisphenol A and at least as effective as C-18 for the extraction of 4-n-nonylphenol and 4-tert-octylphenol. Compared to XAD-2 copolymer, WNTs exhibited a better property for the extraction of all three analytes. The developed method has been applied to determine bisphenol A, 4-n-nonylphenol, and 4-tert-octylphenol in several environmental water samples. The accuracy of the proposed method was tested by recovery measurements on spiked samples, and good recovery results (89.8-104.2%) were obtained. Detection limits of 0.083, 0.024, and 0.018 ng mL(-1) for bisphenol A, 4-n-nonylphenol, and 4-tert-octylphenol, respectively, were achieved under the optimized conditions.
部门归属环境化学与生态毒理学国家重点实验室
DOI10.1021/ac0263566
WOS研究方向Chemistry
WOS记录号WOS:000182944600045
引用统计
文献类型期刊论文
条目标识符http://ir.rcees.ac.cn/handle/311016/23699
专题环境化学与生态毒理学国家重点实验室
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GB/T 7714
Cai, YQ,Jiang, GB,Liu, JF,et al. Multiwalled carbon nanotubes as a solid-phase extraction adsorbent for the determination of bisphenol a, 4-n-nonylphenol, and 4-tert-octylphenol[J]. ANALYTICAL CHEMISTRY,2003,75(10):2517-2521.
APA Cai, YQ,Jiang, GB,Liu, JF,&Zhou, QX.(2003).Multiwalled carbon nanotubes as a solid-phase extraction adsorbent for the determination of bisphenol a, 4-n-nonylphenol, and 4-tert-octylphenol.ANALYTICAL CHEMISTRY,75(10),2517-2521.
MLA Cai, YQ,et al."Multiwalled carbon nanotubes as a solid-phase extraction adsorbent for the determination of bisphenol a, 4-n-nonylphenol, and 4-tert-octylphenol".ANALYTICAL CHEMISTRY 75.10(2003):2517-2521.
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