Title: A comparison between gas and liquid phase photochemistry of 2-pentanone
Abstract: The triplet lifetime of 2-pentanone has been measured in the gas phase and in n-hexane solution at very low conversion. The values obtained, 6 × 10−7 s and 2.5 × 10−7 s respectively, are much longer than the presently accepted values. From the triplet quantum yields and an analysis of the photoproducts arising from the singlet and triplet state it is concluded that the triplet 1,4-biradical behaves similarly in both phases. On the other hand, the singlet photoreactions are significantly different. The effect of total pressure in the photodecomposition quantum yield has been measured. It is concluded that all the “hot” photodecomposition arises from the singlet state.
Publication Year: 1974
Publication Date: 1974-01-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 12
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