The applicability of phase-sensitive alternating current measurements in flow-through detection |
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Authors: | H.B. Hanekamp P. Bos O. Vittori |
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Affiliation: | Department of Analytical Chemistry, Free University, de Boelelaan 1083, 1081 HV AmsterdamThe Netherlands;Laboratoire de Chimie Analytique III, 43 Bd. du 11 Novembre 1918, 69622 Villeurbanne CedexFrance |
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Abstract: | The applicability of phase-sensitive alternating current (a.c.) measurements in flowthrough detection is discussed. The differences between flow and non-flow conditions are examined for copper(II) and thiourea at a horizontal dropping mercury electrode in an “open system”. The possibility of using this detection system in flow-injection procedures is indicated. A glassy-carbon electrode cell is used to test the feasibility of a.c. measurements with hydroquinone as the example. |
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