E. Leporati
1990
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Journal
Analytica Chimica Acta
Abstract
Abstract The computer-aided spectrophotometric determination of copper(II) (0.03–1 mg l −1 ) with 2-amino- N ,3-dihydroxypropanamide or 2-amino- N ,3-dihydroxybutanamide as reagent is reported. In the LESSDAD program used, a least-squares is applied for simultaneously calculating the analytical concentrations in solutions of several substances; the data needed are the pH of the solution, experimental absorbances, known molar absorptivities and the relevant equilibrium constants. The method is rapid and the results obtained were accurate and precise.