New laser luminescent analyzers for analytical control of the environment

G. I. Romanovskaya; Natalia A. Lebedeva

doi:10.1117/12.162163

12 November 1993 New laser luminescent analyzers for analytical control of the environment

G. I. Romanovskaya, Natalia A. Lebedeva

Proceedings Volume 2107, CIS Selected Papers: Optical Monitoring of the Environment; (1993) https://doi.org/10.1117/12.162163
Event: Optical Monitoring of the Environment: CIS Selected Papers, 1993, Moscow, Russian Federation

Abstract

New laser-induced fluorescence method (LFM) are proposed for determination of uranium (VI) in concentration range of 10^-7 - 10^-11 g/ml and polycyclic aromatic hydrocarbons (PAH) in concentration range 10^-7 - 5(DOT)10^-10 g/ml in the environment. A repetive pulsed laser, spectral and time discrimination and averaging technique are used. LFM does not need a preconcentration step or separation of VI and PAH from interfering elements. By using LFM new luminescent analyzers were made. The use of the analyzers made possible to perform the VI and PAH determination both in static and dynamic conditions. The time needed for analysis is only 1 - 3 minutes.

Citation Download Citation

G. I. Romanovskaya and Natalia A. Lebedeva "New laser luminescent analyzers for analytical control of the environment", Proc. SPIE 2107, CIS Selected Papers: Optical Monitoring of the Environment, (12 November 1993); https://doi.org/10.1117/12.162163

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