Application of covalent organic framework as the adsorbent for solid-phase extraction of trace levels of pesticide residues prior to high-performance liquid chromatography-ultraviolet detection.
Journal of Chromatography A(2018)
摘要
•DAAQ-TFP was prepared as adsorbent for extraction of BUs.•DAAQ-TFP has excellent extraction performance and adsorption capacity.•SPE-HPLC-UV was developed for the determination of BUs with low LODs.
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关键词
Covalent organic frameworks,Benzoylurea insecticides,Environment water,Fruit juice,Fruits and vegetables
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