Edgar Buchanan

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An extremely sensitive and versatile instrument is described that performs square-wave anodic-stripping voltammetry. The instrument incorporates a flow-through cell and is capable of changing the solution matrix between the deposition and stripping steps. The working electrode is a static mercury drop electrode constructed in the authors' laboratories. The(More)
Researchers in analytical procedures can acquire greater control over their experimental parameters, procedures and the mathematical operations used to manipulate and evaluate their data, by incorporating microcomputer technology into their laboratory instrumentation. A hybrid microcomputer system has been assembled to aid in the development of(More)
Experimental parameters associated with the use of a square-wave potential waveform during the stripping procedure have been examined for their effect on the sensitivity of ASV. Voltamperograms for 10-ng ml solutions of lead and of cadmium were recorded under the various experimental conditions. Peak heights obtained experimentally were compared with those(More)
The reaction of tripyridyltriazine with iron(II) has been studied. The acid dissociation constant and water solubility of the ligand have been determined. The formation constant of the chelate has also been evaluated. An explanation of the change in molar absorptivity of the chelate when dissolved in water or nitrobenzene is offered. The analytical(More)
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