期刊
ANALYTICA CHIMICA ACTA
卷 677, 期 2, 页码 162-168出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.aca.2010.08.004
关键词
Xylose; Glucose; Ionic liquid; Stationary phase; Liquid chromatography
资金
- Ministry of Education, Science and Technology [2010-0015731]
- National Research Foundation of Korea [2009-0072787] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Xylose and glucose, as the main hydrolyzed products of plant cell wall, were separated by silica-confined ionic liquid (IL) stationary phases. Five different stationary phases were synthesized and characterized. Instead of using the traditional NH2 column, the imidazolium stationary phases exhibit excellent retention to the xylose and glucose. The retention factor and resolution of the monosaccharides decreased with decreasing acetonitrile concentration. In addition, the effects of the IL cations and anions on the retention of xylose and glucose were studied and the adsorption behavior of these two monosaccharides on the stationary phases was investigated. Then the mobile phase and temperature were optimized to improve the performance for the separation of xylose and glucose. (c) 2010 Elsevier B.V. All rights reserved.
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