Photochemical Methylation of lnorganic Mercuric Compounds in Aqueous Acetic Acid Solutions

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  • 酢酸水溶液中における無機水銀(II)化合物の光メチル化反応

Abstract

Photochemical methylation of inorganic mercuric compounds such as mercuric chloride and mercuric acetate in aqueous acetic acid solutions has been studied and the mechanism of the reaction was discussed.<BR>The rate of photochemical production of methylmercuric compound significantly differed between the two inorganic mercuric compounds when irradiated with a 20 W blacklight lamp, as shown in Fig.2. It was also found that the ultraviolet absorption curve of the mercuric acetate system extended to longer wavelengths as compared with that of the mercuric chloride system. Study of the wavelength dependence of the photochemical methylation by use of a monochrometer showed that a parallelism existed between the absorption wavelength and the effective wavelength for the photochemical reaction.<BR>Gas chromatographic analyses demonstrated that the gas evolved during the photochemical reaction of the mercuric acetate system consisted mainly of carbon dioxide with minor amounts of methane and ethane. Therefore, photo-decarboxylation reaction, a cage reaction, is likely the main process.

Journal

  • NIPPON KAGAKU KAISHI

    NIPPON KAGAKU KAISHI 1974 (7), 1180-1184, 1974-07-10

    The Chemical Society of Japan

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