Adsorption of fluorescent dyes to chrysotile asbestos

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概要

• 論文の詳細を見る

• Fluorescent xanthene dyes having carboxyl or hydroxyl group in their molecular structures were found to be dissociatively adsorbed on chrysotile as carboxylate or phenolate. The dyes were preferentially adsorbed on chrysotile more than on kaolinite because of the anionic adsorption. Fluorescence excitation and infrared spectra showed that deprotonated umbelliferone (7-hydroxycoumarin) was adsorbed on magnesium of chrysotile. Strong fluorescence intensities of these dyes adsorbed on chrysotile are expected to be utilized for a selective detection method of chrysotile asbestos.

• 日本粘土学会の論文

著者

• Soma M

  Univ. Shizuoka Jpn

• Seyama H

  National Inst. Environmental Studies Tsukuba Jpn

• Soma Yuko

  National Institute For Environmental Studies

• SOMA Yuko

  The National Institute for Environmental Studies

• SOMA Mitsuyuki

  The National Institute for Environmental Studies

• SEYAMA HARUHIKO

  The National Institute for Environmental Studies

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• Composition and vertical profiles of photosynthetic pigments in the sediment of Lake Kasumigaura
• Adsorption of fluorescent dyes to chrysotile asbestos
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