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Simultaneous Determination of α-Naphthol and β-Naphthol by First Derivative Fluorescence Spectra

Ding Yaping Wu Qingsheng Zhu Renbin Ding Liping (Department of Applied Chemistry,Anhui Agricultural University,Hefei 230036)  
A new analytical method used for simultaneous determination of α-naphthol and β-naphthol by first derivative of fluorescence spectrum is developed.In the pH 9 18 and under room temperature,the limit of detection of α-naphthol and β-naphthol is 0 013 ng/ml and 0 011 ng/ml,respectively,and the precision (RSD) is 1 7% and 1 4%,respectively.This method has been applied to the simultaneous determination of α-naphthol and β-naphthol in artificial samples,and the recovery ratios are in the range of 95 4%~104%
【Fund】: 安徽省自然科学基金
【CateGory Index】: O625.313,O657.3
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