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• W2077477171 abstract "A multicomponent analysis method based on principal component analysis-artificial neural network models (PC-ANN) is proposed for the determination of phenolic compounds. The method relies on the oxidative coupling of phenols (phenol, 2 chlorophenol, 3-chlorophenol and 4-chlorophenol) to N,N-diethyl-p-phenylenediamine in the presence of hexacyanoferrate(III). The reaction monitored at analytical wavelength 680 nm of the dye formed. Phenols can be determined individually over the concentration range 0.1–7.0 μg ml−1. Differences in the kinetic behavior of the four species were exploited by using PC-ANN, to resolve mixtures of phenol. After reducing the number of kinetic data using principal component analysis, an artificial neural network consisting of three layers of nodes was trained by applying a back-propagation learning rule. The optimized ANN allows the simultaneous quantitation of four analytes in mixtures with relative standard errors of prediction in the region of 5% for four species. The results show that PC-ANN is an efficient method for prediction of the four analytes." @default.
• W2077477171 created "2016-06-24" @default.
• W2077477171 creator A5067731952 @default.
• W2077477171 creator A5073226210 @default.
• W2077477171 date "2008-08-01" @default.
• W2077477171 modified "2023-10-12" @default.
• W2077477171 title "Application of principal component-artificial neural network models for simultaneous determination of phenolic compounds by a kinetic spectrophotometric method" @default.
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• W2077477171 doi "https://doi.org/10.1016/j.jhazmat.2007.12.096" @default.
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