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制备和应用基于伊米达的多 (离子液体) 功能化二氧化吸附剂,用于从食品样本中固体相提取对
1State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China.
概括
开发了一种新型的多离子液体功能化酸盐吸附剂,用于在食品中灵敏而准确地检测. 这种材料为可靠的食品安全分析提供了更好的提取性能.
科学领域:
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
背景情况:
- 烯是食品中广泛使用的防腐剂.
- 准确检测 parabens 对于食品安全和监管合规至关重要.
- 开发高效的提取材料对于敏感的类化合物的确定是必不可少的.
研究的目的:
- 为了合成和表征一种新的以伊米达为基础的多离子液体) 功能化二氧化 (多C8VIm+NapSO3-) @SiO2吸附剂.
- 评估食品样本中对帕拉本的提取性能开发的吸附剂.
- 建立一个优化的分析方法,以确定帕拉与HPLC相结合.
主要方法:
- 合成了多-1-octyl-3-vinyl-imidazolium甲硫酸盐) 的功能化二氧化 (多C8VIm+NapSO3-) @SiO2).
- 使用FT-IR,XPS和SEM进行表征.
- 使用单变量方法和Box-Behnken设计 (BBD) 的提取参数的优化.
- 使用高性能液态染色学 (HPLC) 分析类.
主要成果:
- 聚(C8VIm+NapSO3-) @SiO2吸附剂通过结,静电和π-π堆叠相互作用有效提取了类.
- 最优化的方法实现了广泛的线性范围 (1.0-800μg L-1),优异的线性 (R2 ≥ 0.9997),以及低的检测极限 (0.1μg L-1).
- 在真实食品样本中获得了高恢复率 (76.9-97.4%) 和低相对标准偏差 (<6.3%).
结论:
- 开发的多C8VIm+NapSO3-) @SiO2吸附剂是用于提取的高效材料.
- 拟议的HPLC方法提供了高灵敏度,准确性和精确性,用于在食品中确定.
- 这种方法为确保食品安全和质量提供了可靠的工具.
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