Formation of alkyl and hydroxyalkyl hydroperoxides on ozonolysis in water and in air

Hydroperoxide-specific HPLC was used to determine the yields of alkyl and hydroxyalkyl hydroperoxides in the ozonolysis of ethene, propene, isoprene and α- and β-pinene under two sets of limiting conditions: in dry air and in aqueous solution. Ozonolysis in water (by mixing solutions) gives almost e...

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Bibliographic Details
Published in:Atmospheric environment (1994) 1995, Vol.29 (18), p.2401-2407
Main Authors: Gäb, Siegmar, Turner, Walter V., Wolff, Silke, Becker, Karl Heinz, Ruppert, Lars, Brockmann, Klaus J.
Format: Article
Language:English
Subjects:
Applied sciences
Atmospheric pollution
Exact sciences and technology
Pollutants physicochemistry study: properties, effects, reactions, transport and distribution
Pollution
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Summary:Hydroperoxide-specific HPLC was used to determine the yields of alkyl and hydroxyalkyl hydroperoxides in the ozonolysis of ethene, propene, isoprene and α- and β-pinene under two sets of limiting conditions: in dry air and in aqueous solution. Ozonolysis in water (by mixing solutions) gives almost exclusively 1-hydroxyalkyl hydroperoxides, in 10–30% yields, while dry gas-phase ozonolysis gives very little peroxide (below 1%), unless the double bonds have methyl substituents, in which case methyl hydroperoxide is produced (up to 5%). Bubbling ozone through an aqueous solution of propene yields products typical of both the limiting cases.
ISSN:1352-2310
1873-2844
DOI:10.1016/1352-2310(95)00166-V