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  • 1
    Electronic Resource
    Electronic Resource
    High-performance liquid chromatography of some estrogens on chemically bonded phases (1996)
    Springer
    Chromatographia 43 (1996), S. 551-556 
    Details
    ISSN: 1612-1112
    Keywords: Column liquid chromatography ; Chemically bonded silica gel ; Mixed solvents ; Steroids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The chromatographic behaviour of 30 estradiol and estrone derivatives has been studied on diol, amino- and cyanopropyl silica gel stationary phases with non-aqueous mobile phases. The slopes of linear relationships between the logarithm of the retention factor and logarithm of the volume fractions of the polar components of the binary eluents have been calculated and are discussed in relation to the characteristics of the solute, eluent and stationary phase. An equation for testing the separation efficiency of stationary phases has been derived.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02293009
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Solvent selection in liquid-solid chromatography of steroids (1984)
    Springer
    Chromatographia 18 (1984), S. 145-148 
    Details
    ISSN: 1612-1112
    Keywords: Steroids ; Liquid-solid chromatography ; Solvent selection ; Thin-layer chromatography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Based on the previously observed proportionality between the retention constant of some mono-and polyfunctional steroids and the retention constant of the steroid hydroxyl group in pure solvent, a relatively simple procedure is described for the calculation of equi-eluotropic binary solvent systems in liquid-solid chromatography of steroids. This method is compared with the proposals of Snyder and Hara.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02258771
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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