SQUARE-WAVE ADSORPTIVE STRIPPING VOLTAMMETRY OF NICKEL AND COBALT AT WALL-JET ELECTRODES IN CONTINUOUS-FLOW

Square wave adsorptive stripping voltammetry (SWAdSV) of nickel and co balt at wall-jet electrodes in a continuous flow system has been evalu ated. Characteristics and advantages relative to differential pulse ad sorptive stripping voltammetry (DPAdSV) in continuous how systems are explored. Under optimized experimental conditions, sensitivity is appr oximately a factor of ten higher than DPAdSV, and one nanomolar detect ion limits are achieved. Solution deoxygenation is unnecessary and sam ple throughput is increased.