Dispersive Micro-Solid-Phase Extraction Based on Decanoic Acid Coated-Fe₃O₄ Nanoparticles for HPLC Analysis of Phthalate Esters in Liquor Samples.
作者： Juan Wang , Lei Zhang , Dingqiang Xin , Yaling Yang
关键词:
摘要: UNLABELLED A novel, simple and low cost through coating Fe3O4 magnetic nanoparticles (MNPs) with decanoic acid were synthesized. The functionalized MNPs showed excellent dispersibility in aqueous solution applied to dispersive micro-solid-phase extraction (D-μ-SPE) followed by high performance liquid chromatographic analysis for 4 phthalate esters (PAEs) including benzyl butyl (BBP), dicyclohexyl (DCHP), di-n-butyl (DBP), di-n-octyl (DNOP) from liquor samples. equilibrium is achieved 1 min. allow easy rapid isolation of PAEs using an external magnet, which can be reused 5 times. linear dynamic ranges the range 1000 ng/mL correlation coefficients values 0.9999. limits detection 0.91 2.43 ng/mL. influences adsorbent dosage use frequency adsorbent, adsorption time, pH ionic strength investigated optimized. proposed method was used determine samples recoveries between 88.9% 105.4%, relative standard deviations below 4.0%. PRACTICAL APPLICATION results this study attract attention countries control liquors’ quality.
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