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Determination of thermodynamic functions from scanning calorimetry data

✍ Scribed by Shun-Ichi Kidokoro; Akiyoshi Wada

Publisher
Wiley (John Wiley & Sons)
Year
1987
Tongue
English
Weight
852 KB
Volume
26
Category
Article
ISSN
0006-3525

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✦ Synopsis

We present a theoretical basis and new methods for the determination of thermodynamic functions from scanning calorimetry data. A thermodynamic state is defined here as an ensemble of microstates in the system, and it can be defined only through assumptions of its heat capacity function and the two integral constants. With these assumptions, scanning calorimetry data can be analyzed using the single or double (or multi-) deconvolution presented here. New equations to calculate the van't Hoff enthalpy function and the calorimetric enthalpy function are presented. We prove that the agreement of these two functions is a necessary and sufficient factor for the condition that the system can be described with the assumed two-state model.

πŸ“œ SIMILAR VOLUMES

Thermodynamics of the Double Helix-Coil
Thermodynamics of the Double Helix-Coil Equilibrium in Tetramethylammonium Gellan: High-Sensitivity Differential Scanning Calorimetry Data
✍ Valerij Ya. Grinberg; Tatiana V. Burova; Natalia V. Grinberg; Alexander Ya. Mash πŸ“‚ Article πŸ“… 2003 πŸ› John Wiley and Sons 🌐 English βš– 144 KB

## Abstract The order–disorder conformational transition in the tetramethylammonium salt of gellan has been studied by high‐sensitivity differential scanning calorimetry as a function of concentration of the background electrolyte, Me~4~NCl (0.0025–0.5 M). The transition temperature and enthalpy in