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Proceedings Paper

New laser luminescent analyzers for analytical control of the environment
Author(s): G. I. Romanovskaya; Natalia A. Lebedeva
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Paper 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.

Paper Details

Date Published: 12 November 1993
PDF: 8 pages
Proc. SPIE 2107, CIS Selected Papers: Optical Monitoring of the Environment, (12 November 1993); doi: 10.1117/12.162163
Show Author Affiliations
G. I. Romanovskaya, Vernadsky Institute of Geochemistry and Analytical Chemistry (Russia)
Natalia A. Lebedeva, Vernadsky Institute of Geochemistry and Analytical Chemistry (Russia)


Published in SPIE Proceedings Vol. 2107:
CIS Selected Papers: Optical Monitoring of the Environment
Nicholay N. Belov; Edmund I. Akopov, Editor(s)

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