Preparation of a fluorinated metal-organic framework and its application for the dispersive solid-phase extraction of perfluorooctanoic acid
Preparation of a fluorinated metal-organic framework and its application for the dispersive solid-phase extraction of perfluorooctanoic acid
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氟化金属有机骨架材料的制备及其在分散固相萃取全氟辛酸中的应用
DOI：
10.1016/j.chroma.2019.460616
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发表时间：
2020
影响因子：
4.1
通讯作者：
Zhi-Qi Zhang
中科院分区：
文献类型：
--
作者：
Shi-Yao Ma;Jun Wang;Li Fan;Hui-Ling Duan;Zhi-Qi Zhang
以对苯二甲酸（H2 tfbdc）为配体，Zn（II）为中心金属离子，成功制备了含氟金属有机骨架材料（F-MOF）。F-MOF对全氟辛酸（PFOA）具有优异的吸附性能，最大吸附容量为419.8 mg g−1。开发了一种使用F-MOF作为吸附剂的灵敏分散固相萃取，结合GC-MS分析，用于检测痕量PFOA，检测限低至2.6 ng L−1。该方法用于环境水样中PFOA的测定，结果令人满意。
A fluorinated metal-organic framework material (F-MOF) was successfully prepared using tetrafluoroterephthalic acid (H2tfbdc) as the ligand and Zn(II) as the central metal ion. The F-MOF exhibited excellent adsorption performance for perfluorooctanoic acid (PFOA), with a maximum adsorption capacity of 419.8 mg g−1. A sensitive dispersive solid-phase extraction using the F-MOF as an adsorbent, coupled with GC–MS analysis, was developed for detecting trace PFOA with a limit of detection as low as 2.6 ng L−1. This method was applied to detect PFOA in environmental water samples, yielding satisfactory results.