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TpBD@Fe<jats:sub>3<\/jats:sub>O<jats:sub>4<\/jats:sub> were synthesized at room temperature under mild reaction conditions with a simple and rapid operation. The TpBD@Fe<jats:sub>3<\/jats:sub>O<jats:sub>4<\/jats:sub> exhibited higher extraction efficiency because of the \u03c0\u2013\u03c0 and electrostatic interactions between the benzene ring structure of the TpBD and the sulfonamide molecules. The extraction conditions including the dosage of adsorbents, the type and dosage of eluent, the elution time, and the pH of the sample solution were fully optimized. The detection results showed good linearity over a wide range (50\u20135 \u00d7 10<jats:sup>4<\/jats:sup> ng\/mL) and low detection limits (3.39\u20135.77 ng\/mL) for the sulfonamide targets. The practicability of this magnetic solidphase extraction\u2010high\u2010performance liquid chromatography method was further evaluated by analyzing milk and meat samples, with recoveries of the targets of 71.6\u2013110.8% in milk and 71.9\u2013109.7% in pork. The successful detection of sulfonamides residues has demonstrated the TpBD@Fe<jats:sub>3<\/jats:sub>O<jats:sub>4<\/jats:sub> excellent practical potential for analyzing pharmaceutical residues in animal\u2010derived foods.<\/jats:p>","DOI":"10.1002\/jssc.202100978","type":"journal-article","created":{"date-parts":[[2022,2,18]],"date-time":"2022-02-18T04:49:15Z","timestamp":1645159755000},"page":"1514-1524","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Room temperature fabrication of magnetic covalent organic frameworks for analyzing sulfonamide residues in animal\u2010derived foods"],"prefix":"10.1002","volume":"45","author":[{"given":"Zhen","family":"Gong","sequence":"first","affiliation":[{"name":"College of Chemistry Beijing Key Laboratory of Environmentally Harmful Chemical Analysis Beijing University of Chemical Technology  Beijing P. R. 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