English  |  正體中文  |  简体中文  |  Items with full text/Total items : 17333/19639 (88%)
Visitors : 5257109      Online Users : 538
RC Version 7.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Tips:
  • please add "double quotation mark" for query phrases to get precise results
  • please goto advance search for comprehansive author search
  • Adv. Search
    HomeLoginUploadHelpAboutAdminister Goto mobile version
    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/28403


    標題: 水溶性煤焦色素之檢出與定量-DEAE-Sephadex柱層層析法之應用
    Analysis of Water Soluble Coal-Tar Dyes with DEAE-Sephadex Column Chromatogra phy
    作者: 陳憲弘
    陳瑞雲
    葉東柏
    貢獻者: 私立嘉南藥學專科學校
    日期: 1976
    上傳時間: 2014-12-25 15:02:33 (UTC+8)
    摘要: 本實驗是利用DEAE-Sephadex將含於飲食食物煤焦色素(coal-tar dyes)吸附於Column之頂層後進行柱層層析法以分離之。最初以含3%NH4CI及40%EtOH水億溶出,然後將NH4CI濃度逐漸增加至溶出液100ml時為15%。將分離之色素進一步根據顏色,溶出體積(Elution volum;Ve),吸附光譜及於λmax處之吸光值以達到定性及定量之目的。
    The DEAE-Sephadex was used in this experiment to absorb and concen-trate the permitted coal-tar dyes in foods on the top of the column. Separation of the coacentrated coal-tar dyes was performed by elution with 40% EtOH solution coataining 3% NH4CI at the begining and gradual increasing of the NH4CI concentration to 15% as elution volume reached 1OOml. Seperated coal-tar dyes were offered for qualitative and quatitative analyses according to their color, elution volume, absorption spectra and absorbance at λmax
    關聯: 嘉南學報, n.2 pp.17-28
    Appears in Collections:[ 食品科技系 ] 期刊論文
    [嘉南學報] 2期 (1976)

    Files in This Item:

    There are no files associated with this item.



    All items in CNU IR are protected by copyright, with all rights reserved.


    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback