Abstract − Analytical Sciences, 20(5), 879 (2004).
Simultaneous Determination of Aniline and Cyclohexylamine by Principal Component Artificial Neural Networks
Ghodratollah ABSALAN and Mohammad SOLEIMANI
Department of Chemistry, Faculty of Sciences, Shiraz University, Shiraz 71454, Iran
A specterophotometric method for simultaneous determination of aniline and cyclohexylamine using principal component artificial neural networks is proposed. This method is based on the reactions involving aniline and/or cyclohexylamine, with bis(acetylacetoneethylendiamine)tributylphosphine cobalt(III) perchlorate as a complexing reagent. A nonionic surfactant, Triton X-100, was used for dissolving the complexes and intensifying the signals. The absorption data were based on the spectra registered in the range of 350 - 550 nm. An artificial neural network consisting of three layers of nodes was trained by applying a back-propagation learning rule. Sigmoid transfer functions were used in the hidden and output layers to facilitate nonlinear calibration. The predictive ability of artificial neural networks was examined for the determination of aniline and cyclohexylamine in synthetic mixtures.
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