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    Purity Determination by Simultaneous Differential Scanning Calorimetry-Thermomicroscopy

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    The application of differential scanning calorimetry (DSC) and of simultaneous DSC thermomicroscopy for purity determination is described. After deriving the mathematical background for the evaluation of the DSC curves, the results of purity determinations are shown for the following substances: cis- and trans-azobenzene, n-tetratriacontane.


    purity determination, thermal analysis, differential scanning calorimetry, thermomicroscopy, melting point, impurity, azobenzene, n, -tetratriacontane, eutectic

    Author Information:

    Wiedemann, HG
    Mettler Instrumente AG, Greifensee,

    Riesen, R
    Mettler Instrumente AG, Greifensee,

    Bayer, G
    Swiss Federal Institute of Technology, Institute of Crystallography and Petrography, Zurich,

    Committee/Subcommittee: E37.01

    DOI: 10.1520/STP32596S