Home > Publications database > Temperature-dependent rate coefficient measurements for the reaction of bromine atoms with trichloroethene, ethene, and tetrachloroethene in air > print

001     13464
005     20240709081741.0
024 7 _ |2 DOI
|a 10.1002/1097-4601(200103)33:3<198::AID-KIN1014>3.0.CO;2-Z
024 7 _ |2 WOS
|a WOS:000166992700007
037 _ _ |a PreJuSER-13464
041 _ _ |a eng
082 _ _ |a 540
084 _ _ |2 WoS
|a Chemistry, Physical
100 1 _ |a Ramacher, B.
|0 P:(DE-Juel1)VDB1309
|b 0
|u FZJ
245 _ _ |a Temperature-dependent rate coefficient measurements for the reaction of bromine atoms with trichloroethene, ethene, and tetrachloroethene in air
260 _ _ |a New York, NY
|b Wiley
|c 2001
300 _ _ |a 198 - 211
336 7 _ |a Journal Article
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|2 PUB:(DE-HGF)
336 7 _ |a Output Types/Journal article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
|2 ORCID
336 7 _ |a article
|2 DRIVER
440 _ 0 |a International Journal of Chemical Kinetics
|x 0538-8066
|0 2710
|v
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a In this article, rate coefficients for the reaction of Br atoms with a series of unsaturated species (trichloroethene, k(1); ethene, k(2); acetylene, k(3); and tetrachloroethene, k(4)) are reported in 700 Torr air over the temperature range 228-298 K. The data were obtained in a temperature-regulated environmental chamber/FTIR spectrometer system, using standard relative rate techniques, with the reaction of Br with CH2O and CH3CHO as the reference reactions. Room-temperature values for k(1) through k(4) were found to be 1.56 x 10(-13), 1.23 x 10(-13) 2.86 x 10(-14), and <1.2 x 10(-16) cm(3) molecule(-1) s(-1), respectively, in reasonable accord with previously available data. At 240 K, values of k(1) = 1.77 x 10(-12), k(2) = 5.76 x 10(-13), k(3) = 3.97 x 10(-14), and k(4) = 3.22 x 10(-15) cm(3) molecule(-1) s(-1) are reported. These k(2) and k(3) values are 2-3 times lower than those currently in use, which are obtained by extrapolation of previous measurements made over the range 298-350 K [Barnes et at.. 1989]. An investigation of the mechanism of the Br-atom-initiated oxidation of acetylene, trichloroethene, and tetrachloroethene was also conducted as a function of temperature. Although no temperature dependence to the product yields was observed for any of the systems studied, the product distributions were found to be altered by the presence of NOx in the case of trichloroethene and tetrachloroethene. An anomalously low rate coefficient for the reaction of Br with glyoxal (HC(O)CHO, a product of acetylene oxidation), k(17) = 1.1 x 10(-14) cm(3) molecule(-1) s(-1), is also reported. (C) 2001 John Wiley & Sons, Inc.
536 _ _ |a Troposphärische Chemie
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588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a J
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700 1 _ |a Orlando, J. J.
|0 P:(DE-HGF)0
|b 1
700 1 _ |a Tyndall, G. S.
|0 P:(DE-HGF)0
|b 2
773 _ _ |a 10.1002/1097-4601(200103)33:3<198::AID-KIN1014>3.0.CO;2-Z
|g p. 198 - 211
|p 198 - 211
|q 198 - 211
|0 PERI:(DE-600)1480875-4
|t International journal of chemical kinetics
|y 2001
|x 0538-8066
909 C O |o oai:juser.fz-juelich.de:13464
|p VDB
913 1 _ |k 36.30.0
|v Troposphärische Chemie
|l Umweltforschung
|b Umweltvorsorgeforschung
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914 1 _ |y 2001
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
920 1 _ |k ICG-II
|l Troposphäre
|d 31.12.2006
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980 _ _ |a UNRESTRICTED
981 _ _ |a I:(DE-Juel1)ICE-3-20101013
981 _ _ |a I:(DE-Juel1)IEK-8-20101013

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