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Measurement of uranium isotope ratios in solid samples using laser ablation and diode laser-excited atomic fluorescence spectrometryстатья
Информация о цитировании статьи получена из
Web of Science
Дата последнего поиска статьи во внешних источниках: 21 августа 2017 г.
- Авторы: Smith B.W., Quentmeier A., Bolshov M., Niemax K.
- Журнал: Spectrochimica Acta B
- Том: 54
- Год издания: 1999
- Первая страница: 943
- Последняя страница: 958
- Аннотация: Combination of laser ablation of a solid sample followed by laser induced fluorescence of the gas phase above the sample was applied for detection of uranium isotopes in a solid sample. The Nd:YAG solid state laser was used for ablation. The tunable diode laser was used for excitation of the resonance frluorescence of free uranium atoms in laser plume. The atomic lines around 682.673 nm were used. The optimal time delay and location of observation zone for obtaining of maximal signal-to-noise ratio was found. The components of U(235) fine stucture of the transition were resolved by fast scanning of the diode laser acros the spectral range 682.60 - 682.69 nm. The detection limit for U(235) of 0.6 mg/g was achieved.
- Добавил в систему: Большов Михаил Александрович