南華大學機構典藏系統:Item 987654321/26717
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    题名: The solvent extraction of radium using sym-Di[4(5)-tert-butylbenzo]-16-crown-5-oxyacetic acid
    作者: 林群智;Lin, Chun-Chih;Chu, Tieh-Chi
    貢獻者: 自然生物科技學系
    关键词: Crown ether;Radium;Solvent extraction;Liquid scintillation counting
    日期: 2001-11
    上传时间: 2019-01-04 11:14:12 (UTC+8)
    摘要: The extraction of radium using sym-Di[4(5)-tert-butylbenzo]-16-crown-5-oxyacetic acid (DTBDB16C5-OAcH) in toluene is excellent. The reaction is reversible without counterions at pH higher than 9. The distribution ratio decreases as the dissolved concentration of alkaline earth ions increases. Probed factors involved in this solvent extraction system include pH values, solvents, metal ions, and the concentration of DTBDB16C5-OAcH. Liquid scintillation cocktails including Ultima Gold and Hionic Fluor were also evaluated in liquid scintillation counting.
    關聯: Applied Radiation and Isotopes
    vol. 55, no. 5
    pp.609-616
    显示于类别:[自然生物科技學系(自然療癒碩士班)] 期刊論文

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