Preparation of a pyridyl covalent organic framework via Heck cross-coupling for solid-phase microextraction of perfluoropolyether carboxylic acids in food
Haoyue Han, Shangzhi Ding, Yanling Geng, Zhaoyu Qiao, Xuemei Li, Rongyu Wang, Xiqing Zhang, Wenhua Ji
Topics & Concepts
ChemistrySolid-phase microextractionCovalent bondAdsorptionCovalent organic frameworkChromatographyCarboxylic acidPyridineDetection limitMass spectrometryOrganic chemistryGas chromatography–mass spectrometryCovalent Organic Framework ApplicationsPer- and polyfluoroalkyl substances researchLuminescence and Fluorescent Materials