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    ZHANG Li-qing, CHENG Zhi-gang, LI Ju-qing, YU Qi-song. Application of LM-BP-ANN Algorithm to the Simultaneous Spectrophotometric Determination of 4 Components in Colds-Curing Drugs[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART B:CHEMICAL ANALYSIS, 2007, 43(11): 906-909.
    Citation: ZHANG Li-qing, CHENG Zhi-gang, LI Ju-qing, YU Qi-song. Application of LM-BP-ANN Algorithm to the Simultaneous Spectrophotometric Determination of 4 Components in Colds-Curing Drugs[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART B:CHEMICAL ANALYSIS, 2007, 43(11): 906-909.

    Application of LM-BP-ANN Algorithm to the Simultaneous Spectrophotometric Determination of 4 Components in Colds-Curing Drugs

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    • Received Date: June 24, 2007
    • The Levenberg-Marquardt BP-ANN algorithm was applied to the simultaneous spectrophotometric determination of acetaminophen,guaifenesin,caffeine and chlorphenamine maleate in colds-curing durgs,to overcome overlapping of absorption spectra of the 4 components.Optimum conditions of spectrophotometry and parameters of the network were tested and determined.Special features of the algorithm proposed were its rapidity of training and accuracy of result prediction.The 4 components in sample were determined directly without preliminary separations.Results of recovery test obtained were in the range of 99.0%-110.4%.
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