Journal
ANALYTICAL LETTERS
Volume 47, Issue 3, Pages 504-516Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00032719.2013.841177
Keywords
High-performance liquid chromatography; Inclusion interactions; Ionic liquid loaded -cyclodextrin-cross-linked polymer; Rhodamine B; Solid-phase extraction
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Funding
- National Natural Science Foundation of China [2115500, 21375117]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Foundation of the Excellence Science and Technology Invention Team in Yangzhou University
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A novel method for separation and determination of rhodamine B in food samples is described. The work is based on the utilization of an ionic liquid loaded -cyclodextrin cross-linked polymer coupled with high-performance liquid chromatography for the determination of rhodamine B. The inclusion interaction of the ionic liquid--cyclodextrin cross-linked polymer with rhodamine B was studied by FTIR. Under optimum conditions, the preconcentration factor achieved for this method was approximately 20. The linear range, detection limit, and relative standard deviation were 0.80 to 130.0 mu gL(-1), 0.09 mu gL(-1), and 0.66% (n=3, concentration=10.0 mu gL(-1)), respectively. The technique was successfully applied for determination of rhodamine B in food samples.
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