A discharge flow mass-spectrometric study of the reaction between the NO3 radical and isoprene期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

A discharge flow mass-spectrometric study of the reaction between the NO3 radical and isoprene

Authors:	U. Wille E. Becker R. N. Schindler I. T. Lancar G. Poulet G. Le Bras

Affiliation:	(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

Abstract:	The kinetics and mechanism of the reactionNO₃+CH₂=C(CH₃)–CH=CH₂productswere 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: k₁=(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.

Keywords:	Reaction kinetics mass spectrometry rate constant product analysis isoprene NO₃
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