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The prepared poly(bismaleimide\u2010co\u2010divinylbenzene) microspheres were employed as dispersive solid\u2010phase extraction (DSPE) adsorbent for the extraction of triazine herbicides. Under optimized conditions, good linearities were obtained between the peak area and the concentration of triazine herbicides in the range of 1\u2013400\u00a0\u00b5g\/L (R<jats:sup>2<\/jats:sup> \u2265 0.9987) with the limits of detection of 0.12\u20130.31\u00a0\u00b5g\/L. Triazine herbicides were detected using the described approach in vegetable samples (i.e., cucumber, tomato, and maize) with recoveries of 93.6%\u2013117.3% and relative standard deviations of 0.4%\u20133.5%. In addition, the recoveries of triazine herbicides remained above 80.7% after being used for nine DSPE cycles, showing excellent reusability of poly(bismaleimide\u2010co\u2010divinylbenzene) microspheres. The adsorption of poly(bismaleimide\u2010co\u2010divinylbenzene) microspheres toward triazine herbicides was a monolayer and chemical adsorption. The adsorption mechanism between triazine herbicides and adsorbents might be a combination of hydrogen bonding, electrostatic interaction, and \u03c0\u2010\u03c0 conjugation. The results confirmed the potential use of the poly(bismaleimide\u2010co\u2010divinylbenzene) microspheres\u2010based DSPE coupled to the high\u2010performance liquid chromatography method for the detection of triazine herbicide residues in vegetable samples.<\/jats:p>","DOI":"10.1002\/jssc.202300746","type":"journal-article","created":{"date-parts":[[2024,3,12]],"date-time":"2024-03-12T22:44:03Z","timestamp":1710283443000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Porous poly(bismaleimide\u2010co\u2010divinylbenzene) microspheres as dispersive solid\u2010phase extraction adsorbent coupled to high\u2010performance liquid chromatography for the determination of triazine herbicide residues in vegetable samples"],"prefix":"10.1002","volume":"47","author":[{"given":"Yang","family":"Xu","sequence":"first","affiliation":[{"name":"College of Chemistry and Materials Science Zhejiang Normal University  Jinhua 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