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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Chromatographia 15 (1982), S. 743-747 
    ISSN: 1612-1112
    Keywords: Liquid-solid chromatography ; Frontal analysis ; Adsorption from binary mixtures ; Silica gel ; Thermodynamics of adsorption
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The chromatographic technique of frontal analysis is applied to measuring adsorption from binary liquid mixtures by silica gel. The complete adsorption isotherm of a solvent mixture is obtained by measuring the break-through curves for a series of small concentration steps of the mobile phase. This method offers a direct way to determine the composition of the stationary phase in liquid-solid chromatography with mixed mobile phases. The surface excess isotherms of all binary systems formed by benzene, cyclohexane, and 1,2-dichloroethane, at the solution-silica gel interface at 25 °C are presented. The data of the three systems are shown to be thermodynamically mutually consistent.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2021-05-19
    Description: The preíent árdele gives a detailed description of che extraction and use of fibers of the majagua tree (Psend abomba sefrtfnafjtnt') for making Unes and beaeh seines in Taganga-Sama Marta. As a result of the demands of a growing number of fishermen, these trees became almost excinc t by 1950. Today, a!I of this fishing gear in Taganga is madc with artificial fibers.
    Description: El presente árdele da una descripción detallada de la extracción del Che y el uso de fibras del árbol de majagua (abomba PSEND * sefrtfnafjtnt ') para la fabricación de líneas y beaeh redes de cerco en Taganga-Sama Marta. Como resultado de las demandas de un creciente número de los pescadores, estos árboles se convirtió en casi excinc t en 1950. Hoy en día, esta pesca marcha en Taganga es MADC con fibras artificiales.
    Description: Published
    Keywords: Fishing gear ; Fishing gear ; Rigging
    Repository Name: AquaDocs
    Type: Journal Contribution
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