Identification and quantification of carbonyl-containing α-pinene ozonolysis products using O-tert-butylhydroxylamine hydrochloride

Identification and quantification of carbonyl-containing α-pinene ozonolysis products using... The yields of carbonyl-containing reaction products from the ozonolysis of α-pinene have been investigated using concentrations of ozone found in the indoor environment ([O3] ≤ 100 ppb). An impinger was used to collect gas-phase oxidation products in water, where the derivatization agent O-tert-butylhydroxylamine hydrochloride (TBOX) and gas chromatography-mass spectrometry were used to identify carbonyl-containing species. Seven carbonyl-containing products were observed. The yield of the primary product, pinonaldehyde was measured to be 76 %. Using cyclohexane as a hydroxyl radical (∙OH) scavenger, the yield of pinonaldehyde decreased to 46 %, indicating the influence secondary OH radicals have on α-pinene ozonolysis products. Furthermore, the use of TBOX, a small molecular weight derivatization agent, allowed for the acquisition of the first mass spectral data of oxopinonaldehyde, a tricarbonyl reaction product of α-pinene ozonolysis. The techniques described herein allow for an effective method for the collection and identification of terpene oxidation products in the indoor environment. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Atmospheric Chemistry Springer Journals

Identification and quantification of carbonyl-containing α-pinene ozonolysis products using O-tert-butylhydroxylamine hydrochloride

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Publisher
Springer Netherlands
Copyright
Copyright © 2017 by © Springer Science+Business Media Dordrecht (outside the USA)
Subject
Earth Sciences; Atmospheric Sciences; Atmospheric Protection/Air Quality Control/Air Pollution
ISSN
0167-7764
eISSN
1573-0662
D.O.I.
10.1007/s10874-016-9344-6
Publisher site
See Article on Publisher Site

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