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Published on: August 19, 2021
[Constant-energy synchronous fluorescence spectrometry for simultaneous determination of anthracene and
Li-fang He1, Dan-li Lin, Yao-qun Li
1Department of Chemistry, the MOE Key Laboratory of Analytical Sciences, Xiamen University, Xiamen 361005, China.
Abstract:
A new method of constant-energy synchronous fluorimetry to determine anthracene and 9,10-dimethylanthracene simultaneously is suggested. The spectral resolution of the constant-energy synchronous fluorescence spectra of these two compounds was much higher than that of conventional spectra. The linear ranges for anthracene and 9,10-dimethylanthracene were 0-2 microg x mL(-1) and 0-5 microg x mL(-1) respectively. The detection limits of anthracene and 9,10-dimethylanthracene were 2.2 ng x mL(-1) and 1.7 ng x mL(-1) respectively, and the relative standard deviation was less than 2%. When the new method was used for the determination of anthracene and 9,10-dimethylanthracene in water samples, the recoveries were in the range of 85% to 103%. This method has proved to be simple and rapid.
