Reactions of ketene, methylketene, ethylketene, and dimethylketene with ozone in air.

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概要

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• Rate constants for reactions with ozone were measured for four kinds of simple ketenes (ketene, methylketene, ethylketene and dimethylketene) in 1 atm of air. The rate constants were obtained as upper limits; <1×10<SUP>−21</SUP>, 7×10<SUP>−19</SUP>, 1×10<SUP>−18</SUP>, and 4×10<SUP>−17</SUP> cm<SUP>3</SUP> molecule<SUP>−1</SUP> s<SUP>−1</SUP>, respectively. The mechanism of the reactions was proposed to be similar to that for the liquid-phase reaction.

• 公益社団法人 日本化学会の論文

著者

• Honda Shigeo

  Division of Atmospheric Environment, The National Institute for Environmental Studies

• Hatakeyama Shiro

  Division of Atmospheric Environment, The National Institute for Environmental Studies

• Akimoto Hajime

  Division of Atmospheric Environment, The National Institute for Environmental Studies

関連論文

• Reactions of ketene, methylketene, ethylketene, and dimethylketene with ozone in air.
• Rate constants and mechanism for reactions of ketenes with OH radicals in air at 299.+-.2K.
• The reactions of hydrogen and deuterium atoms with four ketenes.
• Photlysis of ozonides in the gas phase.
• Ring-cleavage reactions of aromatic hydrocarbons studied by FT-IR spectroscopy. I. Photooxidation of toluene and benzene in the NOx-air system.

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