Bibliographic Details
| Title: |
NO and PO photofragments as trace analyte indicators of nitrocompounds and organophosphonates. |
| Authors: |
Shu, J., Bar, I., Rosenwaks, S. |
| Source: |
Applied Physics B: Lasers & Optics. 2000, Vol. 71 Issue 5, p665. 8p. |
| Subjects: |
Photochemistry, Fluorescence, Lasers |
| Abstract: |
Abstract. Laser photolysis that releases characteristic photofragments, combined with laser-induced fluorescence (LIF) that subsequently monitors them, facilitate detection of trace-vapor analytes in air. The feasibility of the technique is demonstrated for nitrocompounds and organophosphonates detection. Using one-color and two-color lasers, respectively, the representative NO and PO photofragments were tagged. Employment of longer wavelengths for photodissociation, and where possible also for LIF, than for fluorescence collection, obstructs background fluorescence and in the former compounds also prevents interference of ambient ground state NO. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
