Single electrode conductivity detection for electrophoretic separation systems

Jeff E. Prest, Sara J. Baldock, Nihal Bektaş, Peter R. Fielden, Bernard J. Treves Brown

    Research output: Contribution to journalArticlepeer-review


    Various types of detectors have been utilised in electrophoretic separation systems, but conductivity detection provides the obvious choice for detecting ionic substances. This paper describes a new design of conductivity detector utilising a single, on column, sensing electrode. This new design is seen as offering the twin advantages of much higher resolution, than has previously been possible, and simple construction. The detector has been evaluated using separations of sodium and potassium in capillary isotachophoretic and miniaturised planar polymer isotachophoretic separation systems. Good linearity has been found and the limit of detection of sodium calculated to be 0.43 mM. Copyright (C) 1999 Elsevier Science B.V.
    Original languageEnglish
    Pages (from-to)59-65
    Number of pages6
    JournalJournal of Chromatography A
    Issue number1
    Publication statusPublished - 19 Mar 1999


    • Conductivity detection
    • Detection, Electrophoresis
    • Instrumentation
    • Isotachophoresis
    • Metal cations
    • Potassium
    • Sodium


    Dive into the research topics of 'Single electrode conductivity detection for electrophoretic separation systems'. Together they form a unique fingerprint.

    Cite this