Abstract
The paper represents a non-conventional approach to the successive determination of aluminium and fluoride in the same sample. It is based on the mathematical correction of a complex analytical signal for aluminium in the presence of fluoride (obtained by the fluorescence method). Additionally, a potentiometric determination of the fluoride content is necessary to complete the analysis. A mathematical model to describe the dependence between the complex analytical signal and the concentrations of aluminium and fluoride for a wide range of concentrations of both species is obtained. The approach seems to be useful for continuous monitoring of samples containing both aluminium and fluoride such as tooth paste, cryolite, industrial waste waters etc.
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