Determination of salicylic acid using a magnetic iron oxide nanoparticle-based solid-phase extraction procedure followed by an online concentration technique through micellar electrokinetic capillary chromatography

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• 作者：Yu-Hsuan Chang^a ; Chang-Wei Huang^a ; Shih-Feng Fu^b ; Mei-Yao Wu^c ; Tsunghsueh Wu^d ; Yang-Wei Lin^a ; ^{linywjerry@cc.ncue.edu.tw}
• 关键词：Salicylic acid ; Magnetic iron oxide nanoparticles ; Solid-phase extraction ; Online concentration ; Micellar electrokinetic chromatography
• 刊名：Journal of Chromatography A
• 出版年：2017
• 出版时间：6 January 2017
• 年：2017
• 卷：1479
• 期：Complete
• 页码：62-70
• 全文大小：1873 K
• 卷排序：1479

文摘

This study applied MION-based SPE and MEKC-UV for analyzing salicylic acid. MEKC coupled with online high-volume sample stacking. The method provided an approximately 1026-fold improvement in detection sensitivity. The spiked recoveries in real samples were in the range of 95.8%–102.4%.