Study on a dynamic adiabatic calorimeter. II. Adiabatic scanning calorimeter and some applications

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Abstract
An adiabatic scanning calorimeter has been made with a controlled heating rate. The sample used was relatively small (3-10g), but the accuracy of the calorimeter was found to be within 2% in temperatures ranging from room temperature to 1000K. It is shown that the temperature distribution in the sample vessel produced in the continuous heating type calorimeter is proportional to the heating rate and inversely proportional to the thermal diffusivity in the sample vessel. An estimate of, and the correction for, the error due to the temperature distribution in the sample vessel has been made. The dehydration reaction of CuSO45H2O was studied, and very sharp, separate, endothermic peaks of the dehydration reaction were obtained.