A Versatile Voltammetric Detector with Double Polarization Pulse and Semi-differential Scanning for LC

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Abstract
A voltammetric monitor has been devised for liquid chromatography, with double pulse train of the polarization voltage and semi-differential evaluation of the singles-weep voltammogram during the chromatographic recording. The instrument can also be used on its own as a pulse voltammetric analyzer with a variety of modes. The monitor has been used to demonstrate the assets of pulse techniques, as compared with direct current amperometry, in terms of sensitivity and detection limits.

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