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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of thermal analysis and calorimetry 54 (1998), S. 891-899 
    ISSN: 1572-8943
    Keywords: DSC ; DTG ; levynite ; TG ; thermal analysis ; QTMD
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract DSC, TG and quadrupole mass spectrometer data concerning methylquinuclidinium iodide (MeQ1), dried precursor gel, and crystalline levyne-type zeolite are discussed together with the thermal degradation of MeQ1 mixed with single inorganic components of the gel. It is shown that MeQ+ions play a role in the organization of the gel structure.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 272 (1974), S. 22-24 
    ISSN: 1618-2650
    Keywords: Abtrenn. von Calcium ; Chromatographie, Gel ; Sephadex, Biogel
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary The behaviour of calcium ions in calcium chloro-complex form on Biogel P 2 and Sephadex G 15 columns has been investigated at different temperatures. The data suggested that the interaction is an absorptive process. Total separation of calcium ions from organic substances has been achieved by means of gel chromatography carried out at a changed temperature after a partial separation had been made.
    Notes: Zusammenfassung Das Verhalten von Calciumionen in Form des Calcium-chlorokomplexes wurde an Biogel P 2 und Sephadex G 15 bei verschiedenen Temperaturen untersucht. Aus den Ergebnissen ließ sich auf einen Absorptionsprozeß schließen. Eine Trennung der Calciumionen von organischen Substanzen konnte durch Gel-Chromatographie bei veränderter Temperatur nach teilweiser Vortrennung erreicht werden.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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