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Analysis of low molecular weight organic acids in water with capillary zone electrophoresis employing indirect photometric detection
Linkoping Univ, Dept Water & Environm Studies, S-58183 Linkoping, Sweden Univ Orebro, Man Technol Environm Res Ctr, S-70182 Orebro, Sweden.
2000 (English)In: Fresenius' Journal of Analytical Chemistry, ISSN 0937-0633, E-ISSN 1432-1130, Vol. 366, no 5, 488-493 p.Article in journal (Refereed) Published
Abstract [en]

A capillary zone electrophoretic method for the analysis of low molecular weight carboxylic acids in water was developed. The application uses the chromophore trimellitic acid that allows for indirect photometric detection at 254 nm. Selectivity control by the addition of Ca2+ to the carrier electrolyte made possible a baseline resolved separation of 14 carboxylic acids. Good linearity and repeatability were obtained for both electrokinetic and hydrostatic injection modes. The usefulness of the method is demonstrated by the analysis of a snow sample.

Place, publisher, year, edition, pages
2000. Vol. 366, no 5, 488-493 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-49792OAI: oai:DiVA.org:liu-49792DiVA: diva2:270688
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-12

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CiteExportLink to record
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