Fluorescence Spectral Study of Berberine-K2HgI4 Associated Particle System and its Analytical Application
作者： Ya Fang Tang , Li Sheng Wang , Ai Hui Liang
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMR.716.70
关键词:
摘要: In 0.08 mol/L HCl medium, berberine (BB) cationic ion and HgI42- combine to BB-HgI4 association complex molecule. These molecules self-aggregate (BB-HgI4)n particles. It exhibits two fluorescence peaks at 400 nm 470 nm. A new sensitive method has been proposed for the determination of trace amounts BB in range 10 800 ng/mL. The detection limit is 3 ng/mL BB. applied real samples, with satisfactory results. cause was also discussed.
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