✦ LIBER ✦

Detection of a steady state concentration of HNO by photoacoustic spectroscopy

✍ Scribed by Kirk Boraas; Constantine Douketis; James P. Reilly

Book ID: 103907777
Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 174 KB
Volume: 48
Category: Article
ISSN: 1386-1425
DOI: 10.1016/0584-8539(92)80164-r

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✦ Synopsis

The HNO radical's spectrum has been recorded in the 740-770 nm range via a high resolution, intracavity photoacoustic technique. Hydrogen peroxide and diethylene triamine reacted to produce a steady state concentraton of HNO within the photoacoustic cell that was detectable for several hours before the reactants were depleted. Rotational simulations were employed to identify the HNO radical.

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Flash photolysis of CH3CHO and H2CO in the presence of NO has been investigated by the intracavity laser spectroscopy technique. The decay of HNO formed by the reaction HCO + NO \* HNO + CO was studied a t NO pressures of 6.&380 torr. At low NO pressure HNO was found to decay by the reaction HNO + H