分析化学2011，Vol.39Issue(6)：777-780,4.DOI:10.3724/SP.J.1096.2011.00777
介孔分子筛SBA-15作为高效液相色谱固定相分离维生素E
Separation of Vitamin E Isomers Using Mesoporous SBA-15 as Stationary Phase by High Performance Liquid Chromatography
摘要
Abstract
Mesoporous SBA-15 (Stanta Barbara amorphous) silica particles were prepared in strong acidic conditions (1. 6 mol/L HC1) with triblock copolymer Pluronic P123 (poly(ethyleneglycol)block-poly(propyleneglycol)-block-poly(ethyleneglycol)) as templating agent. Characterization result shows it has highly ordered hexagonal mesoporous running along the same direction, extremely narrow pore size distribution (5.8 nm) and high surface areas (799 m2/g). The SBA-15 particles were successfully applied for the normal phase chromatography separation of six Vitamin E isomers (mobile phase, n-hexane/ether (97/3, V/V); flow-rate, 2.0 mL/min). The results shows that a-, β-, y-,δ-tocotrierols and α-, β-tocotrienols are base line separated.关键词
介孔分子筛/SBA-15/高效液相色谱/维生素E异构体Key words
Mesoporous silica/ SBA-15/ High performance liquid chromatography/ Vitamin E isomers引用本文复制引用
周洁,仲海燕,尹良,余晓冬,陈洪渊..介孔分子筛SBA-15作为高效液相色谱固定相分离维生素E[J].分析化学,2011,39(6):777-780,4.基金项目
本文系国家自然科学基金项目(No.20775032),国家自然科学基金创新研究群体项目(No.20821063)资助 （No.20775032）
