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Reaction Kitenics in Acetyl Chemistry over a Wide Range of Temperature and Pressure

DOI: 10.1039/f19827802423

Source and publish data:

Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 2423 - 2434 (1982)

Update date:2022-08-11

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Authors:

Anastasi, ChristopherAnastasi, Christopher

Maw, Paul R.Maw, Paul R.

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Article abstract of DOI:10.1039/f19827802423

The molecular modulation spectrometer has been used to study the complex chemical kitenics involed in acetyl radical chemistry.This has involved direct monitoring of both acetyl and methyl radicals in the same experiment and over a variety of temperatures (263 <= T/K <= 343) and total gas concentration (0.3 <= /1019 molecule cm-3 <= 2.7) conditions.These measurements have been complemented by a non-linear least-squares analysis of the experimental data and simple product studies.Rate data on four reactions and the absorption cross-section of the acetyl radical at 223 nm have been determined in this way.Unimolecular rate theory, based on Kassel integrals, has been applied to the pressure-dependent formation and decay of the radical to extract limiting values for the rate constants at T = 303 and 343 K.

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