Development of educational model of power compensated differential scanning calorimeter (PC-DSC)


We have developed an educational model of power compensated differential scanning calorimeter with a few modifications for the science students of academic institutions. In order to demonstrate the instrumentation and analytical aspects involved in the system, all the building blocks are constructed using local industry and are explained in detail. A few deviations from the conventional model have been attempted without compromising the basic calorimetric concept. This is done with a due consideration for cost factor and also to keep the openness in the development. The paper discusses the calibration procedure of the modified system to arrive at the on-set temperature and enthalpy of the samples. We are able to measure the onset temperature within ±1.18 °C and the enthalpy values using this proto version with an error 5%.

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We gratefully acknowledge the Department of Science and Technology (DST), New Delhi for providing financial support to take up the research activities on development of the indigenous differential scanning calorimeter (project number : IDP/IND/01/2015). We acknowledge the authorities of SCSVMV Deemed University for the encouragement and support by providing all infrastructural facilities throughout the period of the activity. We thank Shri. K.C. Srinivas, ex-Director of SJCAR, SCSVMV who had initiated this project, for his valuable contributions. The support by Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam, Tamil Nadu for the development of platinum based RTD sensors and heaters and for providing high purity metal standards is greatly acknowledged.

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Correspondence to K. Venkatramanan.

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Parthasarathy, R., Prabhu, E., Venkatramanan, K. et al. Development of educational model of power compensated differential scanning calorimeter (PC-DSC). CSIT 9, 59–70 (2021).

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  • Calorimetry
  • Enthalpy
  • Platinum heater
  • RTD
  • VFC based ADC