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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
Source PublicationANALYTICAL CHEMISTRY
Volume75Issue:10Pages:2517-2521
AbstractThe 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.
Department环境化学与生态毒理学国家重点实验室
DOI10.1021/ac0263566
WOS Research AreaChemistry
WOS IDWOS:000182944600045
Citation statistics
Cited Times:457[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/23699
Collection环境化学与生态毒理学国家重点实验室
Recommended Citation
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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