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  • 1
    Digitale Medien
    Digitale Medien
    Studies of adsorption and solution of acetylacetonates of Cr(III), Co(III) and Al(III) by gas chromatography (1986)
    Springer
    Chromatographia 21 (1986), S. 214-218 
    Details
    ISSN: 1612-1112
    Schlagwort(e): Gas chromatography ; Behaviour of metal acetylacetonates ; Adsorption isotherms ; Heat of solution
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Summary Specific retention volumes, adsorption isotherms, molar heats of solution and changes of the entropy were determined from chromatographic data, which was obtained by the gas chromatographic separation of metal acetylacetonates. The retention data for Cr(III), Co(III) and Al(III) acetylacetonates were measured at different temperatures and different flow rates. From the retention data other values associated with adsorption and solution phenomena were calculated.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02311889
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Interactions of some polar compounds with methylsilicone liquid phases in gas chromatography (1984)
    Springer
    Chromatographia 18 (1984), S. 202-204 
    Details
    ISSN: 1612-1112
    Schlagwort(e): Gas chromatography ; Polysiloxane stationary phases ; Heat of adsorption ; Heat of solution
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Summary The changes in the heat of solution of polar compounds and xylene isomers in methylsilicone fluid OV-101 deposited on Chromosorb W AW DMCS were studied. It was shown that the heat of solution increases with an increase of the percentage loading of the OV-101 up to 10%. Solution and adsorption thermodynamic characteristics of the studied system are briefly discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02276733
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  • 3
    Digitale Medien
    Digitale Medien
    Separation of metal acetylacetonates by reversed-phase high-performance liquid chromatography (1989)
    Springer
    Chromatographia 28 (1989), S. 519-522 
    Details
    ISSN: 1612-1112
    Schlagwort(e): Column liquid chromatography ; Reversed-phase chromatography ; Separation of metal acetylacetonates
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Summary Using reversed-phase high-performance liquid chromatography acetylacetonate complexes with trivalent metals such as Al(III), Co(III), Cr(III) and Fe(III) have been examined in columns containing RP-2, RP-8 and RP-18 bonded phases. The mobile phase consisted of acetonitrile/water or methanol/water mixtures with various compositions. As shown the order of elution of the acetylacetonates depends on the type of the column packing and on the nature and concentration of the organic modifier in the mobile phase.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02261075
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