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  Home > JCE Print > Journal of Chemical Education > Issues > 2000  > June  >
In the Laboratory
Topics in Chemical Instrumentation
Separation and Quantification of Preservatives Using Ion Pair HPLC and CZE: An Extended Investigation of Separation Mechanisms
Mary Boyce and Evadne Spickett
Faculty of Communications, Health and Science, Edith Cowan University, Mount Lawley Campus, Perth, Western Australia 6050
Cover
June 2000
Vol. 77 No. 6
p. 740
Abstract
This paper describes the separation of preservatives in food and cosmetic creams by reversed-phase high-performance liquid chromatography (HPLC), ion pair HPLC, and capillary zone electrophoresis (CZE). The experiments described here are designed to promote understanding of the separation mechanisms involved and give students an opportunity to compare and evaluate the different techniques.
Supplement
The following supplemental material is available: instructor notes (chemical and equipment requirements and lab preparation, background information and references, typical set of student results, miscellaneous information and trouble-shooting); and the student experiment (background, procedure, references).
*  Contents
*  Download
supp740.pdf

supp740.sit

supp740.zip
More Information
*  Citation
 Boyce, Mary; Spickett, Evadne. J. Chem. Educ. 2000 77 740.
*  Keywords
 Analytical Chemistry; Instrumental Methods; Separation Science; Electrophoresis; Chromatography
*  History
 Created:
Last Updated:		 April 25, 2000
August 31, 2005
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