A discharge flow mass-spectrometric study of the reaction between the NO3 radical and isoprene |
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| Authors: | U Wille E Becker R N Schindler I T Lancar G Poulet G Le Bras |
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| Institution: | (1) Institut für Physikalische Chemie der Universität Kiel, 2300 Kiel, Germany;(2) Centre de Recherches sur la Chimie de la Combustion et des Hautes Températures, CNRS, F-45071 Orléans Cedex 2, France |
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| Abstract: | The kinetics and mechanism of the reactionNO3+CH2=C(CH3)–CH=CH2 productswere studied in two laboratories at 298 K in the pressure range 0.7–3 torr using the discharge-flow mass-spectrometric method. The rate constant obtained under pseudo-first-order conditions with excess of either NO3 or isoprene was: k
1=(7.8±0.6)×10–13 cm3 molecule–1 s–1. The product analysis indicated that the primary addition of NO3 occurred on both  -bonds of the isprene molecule. |
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| Keywords: | Reaction kinetics mass spectrometry rate constant product analysis isoprene NO3 |
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