Title

Determination of the best separation conditions for a mixture of preservatives of varying polarity using HPLC: An ACELL experiment

Document Type

Journal Article

Publication Date

2005

Publication Details

This article was originally published: Australian Journal of Education in Chemistry, 65, 20-23 and 31. 2005. (ISSN 1445-9698)Original article available here

Abstract

Chromatography is a fundamental component of most analytical chemistry units in undergraduate science programs. Many gas chromatography (GC) and high performance liquid chromatography (HPLC) experiments tend to focus on the quantitative aspect of the technique (determination of benzoic acid in coca cola or ethanol in wine) However, these experiments do not actively develop students understanding of the separation processes involved and method development (i.e. development of best separation conditions) is limited due to time constraints. To address these issues we have been active in developing experiments that promote understanding of the separation mechanisms involved

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