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《Journal of Analytical Science》 2006-01
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Simultaneous Determination of Trace Aluminum,Gallium, Indium and Thallium by Molecule Fluorescence Photometry with Radial Basis Function Neural Networks

ZENG Qing-hui,JIN Ji-hong~*,GONG Cheng-yong,GONG Xiao-ying(China University of Geosciences,Faculty of Material Science and Chemical Engineering,Wuhan 430074)  
By the means of Radial Basis Function Neural Networks and Molecule Fluorescence Photometry,the four components of,Al,Ga,In and Tl in which the fluorescence spectra were overlapped,were determined simultaneously.The excitation wavelength was 390 nm and the emission wavelength varied from 446 nm to 615 nm,and samples were arranged by method of orthogonal design.The fluorescence intensity at 34 wavelengths were taken as character of artificial neural network and the mean recoveries of Al,Ga,In and Tl were 99.07%,103.49%,98.72 % and 95.04%,respectively.The results obtained with radial basis function network are better than those provided with the LMBP network in training time and determination precision.
【CateGory Index】: O657.3
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