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Sensitized photo-oxidation of methylcyclohexane as a thin film on seawater by irradiation with natural sunlight

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  • Environmental Analysis
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Abstract

Methylcyclohexane dissolved in and forming a thin film on purified seawater with traces of anthraquinone added as triplet sensitizer was exposed to natural sunlight in a quartz flask. The water was circulated through a glass cartridge filled with Amberlite XAD-2 for the concentration of reaction products which were identified by GC/MS after elution and silica gel chromatography. They included isomeric methylcyclohexanols as the principal components, primary hydroperoxides, a tentatively identified secondary peroxide, methylcyclohexanones, and acyclic ketones. Mass spectra and mechanisms are discussed as well as possible biological consequences of the formation of these compounds.

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Authors and Affiliations

  1. Institut für Meereskunde an der Universität, D-24105, Kiel, Germany

    Manfred G. Ehrhardt

  2. Instituto Oceanográfico, Universidade de São Paulo, CEP 05508, São Paulo, Brazil

    Rolf R. Weber

Authors
  1. Manfred G. Ehrhardt
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  2. Rolf R. Weber
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Ehrhardt, M.G., Weber, R.R. Sensitized photo-oxidation of methylcyclohexane as a thin film on seawater by irradiation with natural sunlight. Fresenius J Anal Chem 352, 357–363 (1995). https://doi.org/10.1007/BF00322233

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  • DOI: https://doi.org/10.1007/BF00322233

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