Mass Spectrometric Study of Acetaldehyde Oxidation in Shock Waves

Yoshiaki Hidaka; Masao Suga

doi:10.5702/massspec.35.74

Journal of the Mass Spectrometry Society of Japan

Online ISSN : 1880-4225
Print ISSN : 1340-8097
ISSN-L : 1340-8097

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Mass Spectrometric Study of Acetaldehyde Oxidation in Shock Waves

Yoshiaki Hidaka, Masao Suga

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Keywords: Quadrupole Mass spectrometry, Shock wave, High-temperature oxidation, Acetaldehyde oxidation

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1987 Volume 35 Issue 2 Pages 74-83

DOI https://doi.org/10.5702/massspec.35.74

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Abstract

The oxidation of acetaldehyde was studied with a shock tube connected with a mass spectrometer over the temperature range 1400-1700 K and the total pressure range 200-400 Torr. The induction period τ was measured by monitoring the oxygen concentration, and the following equation was found, τ=1.24×10^-12 [CH₃CHO] ^0.4 [O₂] ^-0.8 exp (41000/RT) s, where the concentration is expressed in mol/cc. Data analysis using 48-reaction mechanism was carried out, and the mechanism was discussed.

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