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Determination of chloride by stripping chronopotentiometry with silver‐film electrode

机译:Determination of chloride by stripping chronopotentiometry with silver‐film electrode

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AbstractThe experimental parameters of cathodic stripping chronopotentiometry of chloride at a silver‐film electrode are investigated and optimized. The chloride preconcentration is achieved in the form of silver chloride by a controlled potential oxidation of the working electrode under vigorous stirring. Cathodic stripping of the deposit is obtained by the constant current, under the condition of diffusive mass transfer. Deaeration of the solution is not necessary. A detection limit of 35 μ dm−3(10−6mol dm−3) is obtained at a deposition time of 180 s, with a reproducibility of 6.7 (expressed as relative standard deviati

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