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Investigation of the melting behavior of the reference materials biphenyl and phenyl salicylate by a new type adiabatic scanning calorimeter

par Leys, Jan;Losada Perez, Patricia ;Slenders, Eli;Glorieux, Christ;Thoen, Jan
Référence Thermochimica acta, 582, page (68-72)
Publication Publié, 2014-02-22

Article révisé par les pairs

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Résumé :

Simultaneously measured high-resolution enthalpy and heat capacity data are obtained by means of a novel type Peltier-element-based adiabatic scanning calorimeter that can also operate as a classical adiabatic heat-step calorimeter. Specific enthalpy and specific heat capacity results with 2% uncertainty and sub-mK temperature resolution are presented for the melting transition of the calorimetric reference materials biphenyl and phenyl salicylate. The simultaneously obtained enthalpy and heat capacity data allow for a simplified and reliable purity analysis