%0 Journal Article %1 Papagni:2000p4007 %A Papagni, C %A Arey, J %A Atkinson, R %D 2000 %J International Journal of Chemical Kinetics %K Aliphatic-Aldehydes, Carbonyl-Compounds, Emissions, Gasolines, Hydroxyl Kinetics Organic-Compounds, Radicals, Reactivity, %N 2 %P 79--84 %T Rate constants for the gas-phase reactions of a series of C-3-C-6 aldehydes with OH and NO3 radicals %U http://www.google.com/search?client=safari&rls=en-us&q=Rate+constants+for+the+gas-phase+reactions+of+a+series+of+C-3-C-6+aldehydes+with+OH+and+NO3+radicals&ie=UTF-8&oe=UTF-8 %V 32 %X By using relative rate methods, rate constants for the gas-phase reactions of OH and NO3 radicals with propanal, butanal, pentanal, and hexanal have been measured at 296 +/- 2 K and atmospheric pressure of air. By using methyl vinyl ketone as the reference compound, the rate constants obtained for the OH radical reactions (in units of 10(-12) cm(3) molecule(-1) s(-1)) were propanal, 20.2 +/- 1.4; butanal, 24.7 +/- 1.5; pentanal, 29.9 +/- 1.9; and hexanal, 31.7 +/- 1.5. By using methacrolein and 1-butene as the reference compounds, the rate constants obtained for the NO3 radical reactions (in units of 10(-15) cm(3) molecule(-1) s(-1)) were propanal, 7.1 +/- 0.4; butanal, 11.2 +/- 1.5; pentanal, 14.1 +/- 1.6; and hexanal, 14.9 +/- 1.3. The dominant tropospheric loss process for the aldehydes studied here is calculated to be by reaction with the OH radical, with calculated lifetimes of a few hours during daytime. (C) 2000 John Wiley & Sons, Inc.

@article{Papagni:2000p4007, abstract = {By using relative rate methods, rate constants for the gas-phase reactions of OH and NO3 radicals with propanal, butanal, pentanal, and hexanal have been measured at 296 +/- 2 K and atmospheric pressure of air. By using methyl vinyl ketone as the reference compound, the rate constants obtained for the OH radical reactions (in units of 10(-12) cm(3) molecule(-1) s(-1)) were propanal, 20.2 +/- 1.4; butanal, 24.7 +/- 1.5; pentanal, 29.9 +/- 1.9; and hexanal, 31.7 +/- 1.5. By using methacrolein and 1-butene as the reference compounds, the rate constants obtained for the NO3 radical reactions (in units of 10(-15) cm(3) molecule(-1) s(-1)) were propanal, 7.1 +/- 0.4; butanal, 11.2 +/- 1.5; pentanal, 14.1 +/- 1.6; and hexanal, 14.9 +/- 1.3. The dominant tropospheric loss process for the aldehydes studied here is calculated to be by reaction with the OH radical, with calculated lifetimes of a few hours during daytime. (C) 2000 John Wiley {\&} Sons, Inc.}, added-at = {2010-06-22T19:38:37.000+0200}, affiliation = {Univ Calif Riverside, Air Pollut Res Ctr, Environm Toxicol Grad Program, Riverside, CA 92521 USA}, author = {Papagni, C and Arey, J and Atkinson, R}, biburl = {https://www.bibsonomy.org/bibtex/200e7bc6635899484a25db20a8e2ccc84/gsmith}, date-added = {2010-05-20 22:46:48 -0400}, date-modified = {2010-05-20 22:46:55 -0400}, interhash = {77ebd58ed8eb7f8b463cdd6d0863646f}, intrahash = {00e7bc6635899484a25db20a8e2ccc84}, journal = {International Journal of Chemical Kinetics}, keywords = {Aliphatic-Aldehydes, Carbonyl-Compounds, Emissions, Gasolines, Hydroxyl Kinetics Organic-Compounds, Radicals, Reactivity,}, language = {English}, local-url = {file://localhost/Users/geoffreysmith/Documents/Papers/International%20Journal%20of%20Chemical%20Kinetics/2000/International%20Journal%20of%20Chemical%20Kinetics,%2032,%2079-84%202000.pdf}, month = Jan, number = 2, pages = {79--84}, pmid = {000084926200002}, rating = {0}, read = {Yes}, timestamp = {2010-06-22T19:39:09.000+0200}, title = {Rate constants for the gas-phase reactions of a series of C-3-C-6 aldehydes with OH and NO3 radicals}, uri = {papers://E88B624E-D406-46FF-9D95-BB9C1AAE3FDC/Paper/p4007}, url = {http://www.google.com/search?client=safari&rls=en-us&q=Rate+constants+for+the+gas-phase+reactions+of+a+series+of+C-3-C-6+aldehydes+with+OH+and+NO3+radicals&ie=UTF-8&oe=UTF-8}, volume = 32, year = 2000 }