Electrochemical detection in open tubular column supercritical fluid chromatography using a platinum microelectrode and CO2/water as mobile phase

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Abstract
A miniaturized electrochemical detector for microcolumn separations has been developed. The detector was used in open tubular column supercritical fluid chromatography (SFC) with a mobile phase consisting of supercritical carbon dioxide with water below saturation. The detector is compatible with pressure programmed conditions, as is illustrated by the separation of ferrocene, acetylferrocene, and benzoylferrocene.