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Determination of the rate constants for the gas-phase reactions of methyl butenol with OH radicals, ozone, NO3 radicals, and Cl atoms

✍ Scribed by Gaia Fantechi; Niels R. Jensen; Jens Hjorth; Jozef Peeters

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 141 KB
Volume: 30
Category: Article
ISSN: 0538-8066
DOI: 10.1002/(sici)1097-4601(1998)30:8<589::aid-kin8>3.0.co;2-o

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✦ Synopsis

Using a relative rate method, rate constants for the gas-phase reactions of 2methyl-3-buten-2-ol (MBO) with OH radicals, ozone, NO 3 radicals, and Cl atoms have been investigated using FTIR. The measured values for MBO at and total 298 Ϯ 2 K 740 Ϯ 5 torr pressure are: Ϫ11 3 Ϫ1 Ϫ1 Ϫ18 3 k ϭ (3.9 Ϯ 1.2) ϫ 10 cm molecule s , k ϭ (8.6 Ϯ 2.9) ϫ 10 cm OH O3 and Ϫ1 Ϫ1 Ϫ15 3 Ϫ1 Ϫ1 molecule s , k ϭ (8.6 Ϯ 2.9) ϫ 10 cm molecule s , k ϭ (4.7 Ϯ 1.0) ϫ NO Cl 3 Atmospheric lifetimes have been estimated with respect to the re-Ϫ10 3 Ϫ1 Ϫ1

10 cm molecule s . actions with OH, O 3 , NO 3 , and Cl. The atmospheric relevance of this compound as a precursor for acetone is, also, briefly discussed.

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