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Trace Analysis of Uranium in Aqueous Samples by Laser-induced Fluorescence Spectroscopy
Jung, Kwang-Woo,Kim, Jeong-Moog,Kim, Cheol-Jung,Lee, Jong-Min Korean Nuclear Society 1987 Nuclear Engineering and Technology Vol.19 No.4
A sensitive, direct method for the determination of trace amounts of uranium in solution has been developed utilizing laser-induced fluorescence spectroscopy and a fluorescence enhancing reagent 'Fluran.' Standard addition technique is incorporated into the analysis to eliminate sample matrix effects. Analytical data show that a detection limit of 0.1 ppb (part per billion) uranium has been achieved and the precision of the analysis is in the range of 5% relative standard deviation. Results using the laser fluorescence method on many sets of unknown samples have been compared against corresponding values determined by other methods.