| 应用于全氟辛烷磺酸萃取富集的全氟癸基修饰毛细管硅胶整体柱的制备及应用 |
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| 引用本文： | 黄科,周乃元,陈波.应用于全氟辛烷磺酸萃取富集的全氟癸基修饰毛细管硅胶整体柱的制备及应用[J].色谱,2011(10). |
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| 作者姓名： | 黄科 周乃元 陈波 |
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| 作者单位： | 湖南师范大学化学生物学及中药分析教育部重点实验室;中国生物技术发展中心; |
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| 基金项目： | 国家自然科学基金项目(Nos.20927005,20875028,20080542003,2008[890]); 国家“863”课题(No.2010AA023001); 湖南省科技计划课题(Nos.05k009,2010TT1001) |
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| 摘 要： | 利用溶胶-凝胶法,经过烷氧基硅烷的水解、硅羟基的缩聚、凝胶化、陈化、中孔制备、干燥和表面修饰等步骤制备了全氟癸基修饰的毛细管硅胶整体柱。采用该整体柱对全氟辛烷磺酸(PFOS)进行萃取富集,考察其富集特性和效率,并与传统的C18毛细管硅胶整体柱进行对比。结果表明,全氟癸基修饰毛细管硅胶整体柱(15 cm×75μm)对PFOS具有更高的吸附量和更好的富集选择性,其平均吸附量可以达到75 ng;样品中PFOS的质量浓度为0.25 mg/L时,富集倍数平均可以达到29倍。此全氟癸基修饰毛细管硅胶整体柱对PFOS具有良好的萃取富集性能,可用于水质中痕量PFOS的萃取富集。
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| 关 键 词： | 全氟癸基修饰毛细管硅胶整体柱 固相萃取 富集 全氟辛烷磺酸盐 |
Preparation and application of perfluorodecyl modified silica monolithic capillary column in extraction and enrichment of perfluorooctane sulfonates |
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| HUANG Ke,ZHOU Naiyuan,CHEN Bo.Preparation and application of perfluorodecyl modified silica monolithic capillary column in extraction and enrichment of perfluorooctane sulfonates[J].Chinese Journal of Chromatography,2011(10). |
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| Authors: | HUANG Ke ZHOU Naiyuan CHEN Bo |
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| Institution: | HUANG Ke1,ZHOU Naiyuan2,CHEN Bo1(1.Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research,Ministry of Education,Hunan Normal University,Changsha 410081,China,2.China National Center for Biotechnology Development,Beijing 100036,China) |
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| Abstract: | A perfluorodecyl modified silica monolithic capillary column has been prepared by using sol-gel method.The preparation steps included hydrolysis of alkoxy silane,fasculation of silanol,gelation,aging,meso-pore preparation,drying and surface modification.It could be used as a solid phase extraction(SPE) microcolumn for extraction and enrichment of perfluorooctane sulfonate(PFOS).The enrichment characteristics and efficiency of the perfluorodecyl modified monolithic silica capillary column has been investigat... |
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| Keywords: | perfluorodecyl modified silica monolithic capillary column solid phase extraction(SPE) enrichment perfluorooctane sulfonate(PFOS) |
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