A new purity criterion for α- and β-cyclodextrin using partition chromatography on cellulose columns

J.N.J.J. Lammers

    Research output: Contribution to journalArticleAcademicpeer-review

    7 Citations (Scopus)

    Abstract

    In order to check the purity of a- and b-cyclodextrins with respect to each other partition chromatog. on cellulose columns was used (elution with 42:29:29 BuOH-EtOH-H2O, 0.3 atm. air pressure on the solvent reservoir; 75-90 ml./hr. flow rate). Amts. down to 2.5% a-cyclodextrin (I) in b-cyclodextrin (II) and vice versa could be detected in the eluate fractions with an automatic polarimeter. Amts. down to 0.5% II in I and to 0.3% I in II were traced by concg. the eluant, applying the soln. to paper, and spraying the paper with alc. iodine soln. [on SciFinder (R)]
    Original languageEnglish
    Pages (from-to)70-73
    JournalStarch - Staerke
    Volume19
    Issue number3
    Publication statusPublished - 1967

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