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  • 1
    Electronic Resource
    Electronic Resource
    Chromatographic packings made by solide phase synthesis (1987)
    Springer
    Chromatographia 23 (1987), S. 254-256 
    Details
    ISSN: 1612-1112
    Keywords: Column liquid chromatography ; Synthesis of stationary phases ; Influence of surface pH ; Influence of temperature, concentration and reaction ; time
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary A new way to produce liquid chromatographic stationary phases is suggested. The method is based upon a solide-phase reaction between the silica surface and the adsorbed silane molecules. The role of surface pH is demonstrated. The influence of other reaction conditions (concentration of the silane solution, effect of temperature and reaction time) is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02311774
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Selectivity of some aromatic compounds and carotenoids on C18 packings made with different endcapping procedures (1990)
    Springer
    Chromatographia 30 (1990), S. 318-322 
    Details
    ISSN: 1612-1112
    Keywords: Column liquid chromatography ; Monomeric and polymeric phases ; Endcapping ; Carotenoids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Monomeric and polymeric reversed-phase (C18) column packing materials have been prepared for HPLC. Columns have been tested with aromatic hydrocarbons, acidic and basic solutes. Good separation of carotenoids can be achieved on well-endcapped phases, but at the separation of some pairs (e.g. carotenoids with ∈-and β-endgroups) nonendcapped materials give better resolution. The influence of coating structure and that of endcapping have been discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02319715
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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