Adsorption of organic halides on amine-impregnated silica gels.

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概要

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• The adsorption behaviors of methyl and propyl iodides, propyl chloride and chlorobenzene were examined on silica gels impregnated with 1,4-diazabicyclo[2.2.2]octane (DABCO), pyperazine (PPZ), hexamethylene tetramine (HMTA), and modified with (3-aminopropyl)triethoxysilane (ATS) and dimethoxybis[3-(rnethylamino)propyl]silane (DAS). The irreversibly adsorbed amount of these halides except chlorobenzene was proportional to the amount of impregnated amines. The molar ratios of irreversible adsorption of the halides to the impregnated amine were less than 2 and in the order of DABCO>PPZ>HMTA>ATS>DAS. The former three amine compounds are less stable than the last two materials against thermal pretreatment.

• 公益社団法人 日本化学会の論文

著者

• Ishikawa Tatsuo

  School Of Chemistry Osaka University Of Education

• Kondo Seiichi

  School of Chemistry, Osaka University of Education

• Yamagami Naoki

  School of Chemistry, Osaka University of Education

関連論文

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• Adsorption of CO_2, CH_3OH, and H_2O on Fe(III)-Substituted Calcium Hydroxyapatites
• Surface characterization of silica modified with aminosilane compounds.
• Adsorption of organic halides on amine-impregnated silica gels.

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