A Comparison of Differential Pulse and D.C. Amperometric Detection Modes for the Liquid Chromatographic Determination of Oxalic Acid
- 1 November 1979
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Chromatographic Science
- Vol. 17 (11) , 614-616
- https://doi.org/10.1093/chromsci/17.11.614
Abstract
Oxalic acid determinations are made using two modes of electrochemical detection, namely, classical d.c. and differential pulse, after separation by ion-pair, ion exchange high performance liquid chromatography. Peak height ratio plots are constructed and compared for uric acid and oxalic acid mixtures using both electrochemical detection modes. The enhanced selectivity realized by use of the differential pulse electrochemical detection mode is demonstrated.Keywords
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