An on-column amperometric detector for capillary liquid chomatography

M.J.J. Hetem, H.A. Claessens, P.A. Leclercq, C.A.M.G. Cramers, V. Pacakova, K. Stulik

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

Abstract

An amperometric detector has been constructed for use with capillary LC columns. The micro glassy-carbon working electrode and the capillary column outlet form a micro wall-jet detector cell. This detector cell is immersed in a vessel containing an Ag/AgCl reference and a Pt counter electrode and has an effective volume between 1 and 0.1 nl. The operational parameters of the detector were determined using a chromatographic system with various fused-silica capillary columns (5 to 30 mum i.d.). The detector has been found to match the performance of 26 mum i.d. capillary columns in terms of sensitivity and variance. An example of application. the chromatographic determination of some phenols is presented.
Original languageEnglish
Title of host publicationEighth International Symposium on Capillary Chromatography : Riva del Garda, Italy, May 19-21, 1987.
EditorsP. Sandra
Place of PublicationHeidelberg
PublisherHuethig
Pages1122-1129
Volume2
Publication statusPublished - 1987
Event8th International Symposium on Capillary Chromatography, 1987 - Palazzo dei Congressi, Riva del Garda, Italy
Duration: 19 May 198721 May 1987

Conference

Conference8th International Symposium on Capillary Chromatography, 1987
Country/TerritoryItaly
CityRiva del Garda
Period19/05/8721/05/87

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