Department of Chemistry, College of Science, Hebei Agricultural University, 289 Lingyusi Street, Baoding 071001, China.
Department of Food Science, College of Food Science and Technology, Hebei Agricultural University, 2596 Lekai South Street, Baoding 071001, China.
J Chromatogr Sci. 2021 Mar 19;59(4):396-404. doi: 10.1093/chromsci/bmaa106.
Porous organic polymers have gained great research interest in the field of adsorption. A benzoxazine porous organic polymer (BoxPOP) constructed from p-phenylenediamine, 1,3,5-trihydroxybenzene and paraformaldehyde was fabricated and explored as an adsorbent for solid-phase extraction (SPE) of four chlorophenols from water and honey samples. Under the optimized SPE conditions, the response linearity for the analysis of the SPE extract of the chlorophenols by high performance liquid chromatography-diode array detector was observed in the range of 0.2-40.0 ng mL-1 for water samples and 5.0-400.0 ng g-1 for honey samples. The method detection limits of the analytes were 0.06-0.08 ng mL-1 for water samples and 1.5-2.0 ng g-1 for honey samples. The recoveries of the analytes from fortified water and honey samples ranged from 84.8 to 119.0% with the relative standard deviations below 8.4%. The results indicate that the prepared BoxPOP is an effective adsorbent for the chlorophenols. The established method provides an alternative approach for the determination of chlorophenols in real samples.
多孔有机聚合物在吸附领域引起了广泛的研究兴趣。本文制备了一种由对苯二胺、1,3,5-三羟基苯和多聚甲醛构建的苯并恶嗪多孔有机聚合物（BoxPOP），并将其作为固相萃取（SPE）的吸附剂，用于从水样和蜂蜜样品中萃取四种氯酚。在优化的 SPE 条件下，高效液相色谱-二极管阵列检测器分析 SPE 萃取物中氯酚的响应线性范围为水样 0.2-40.0ng mL-1，蜂蜜样品 5.0-400.0ng g-1。分析物的方法检测限为水样 0.06-0.08ng mL-1，蜂蜜样品 1.5-2.0ng g-1。从加标水样和蜂蜜样品中得到的分析物回收率在 84.8%至 119.0%之间，相对标准偏差低于 8.4%。结果表明，制备的 BoxPOP 是一种有效的氯酚吸附剂。所建立的方法为实际样品中氯酚的测定提供了一种替代方法。
