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6400538 
Journal Article 
Simultaneous spectrophotometric determination of tartrazine, sunset yellow and allura red in commercial products by artificial neural network calibration 
Aktas, AH; Pekcan, G 
2006 
Yes 
Asian Journal of Chemistry
ISSN: 0970-7077
EISSN: 0975-427X 
18 
2025-2031 
The artificial neural network (ANN) trained by back-propagation learning was applied to process spectrophotometric data of mixed tartrazine, sunset yellow and allura red. By optimizing the network structure, accuracy was enhanced. The aim of this work is to propose the application of ANN methods to resolve mixtures of colorants in commercial products by using solid phase spectrophotometry. The proposed methods are rapid, easy to apply, inexpensive and suitable for analyzing the colorants in commercial products. The method takes advantage of sensitivity and selectivity.< 
UV-Vis spectra; simultaneous determination; artificial neural network