Regular ArticleThermophysics of metal alkanoates. Heat capacities and thermodynamic properties of POTASSIUMN-HEXANOATE (cas 19455-00-6) from temperatures from 6 K to 600 K. VIII☆

Add time:08/17/2019    Source:sciencedirect.com

The heat capacity morphology of potassium n -hexanoate from T =  6 K to T =  350 K was determined by equilibrium adiabatic calorimetry and by differential scanning calorimetry (d.s.c.) from T =  300 K to T =  635 K. The curve was characterized by peaks assumed to be associated with solid  →  solid first order transformations at aboutT =  252.5 K and T =  325 K. A much sharper transition, also considered to be first order was observed at T =  497 K. Fusion was observed atT =  548 K. Tabulated experimental molar heat capacities and adjuvant smoothed thermodynamic functions derived by integration therefrom are presented at selected temperatures.

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