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NO and PO photofragments as trace analyte indicators of nitrocompounds and organophosphonates.

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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]
Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: <searchLink fieldCode="AR" term="%22Shu%2C+J%2E%22">Shu, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Bar%2C+I%2E%22">Bar, I.</searchLink><br /><searchLink fieldCode="AR" term="%22Rosenwaks%2C+S%2E%22">Rosenwaks, S.</searchLink>
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  Data: 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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  Data: <i>Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – TitleFull: NO and PO photofragments as trace analyte indicators of nitrocompounds and organophosphonates.
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