Applications of Calorimetry in a Wide Context - Differential by Amal Ali Elkordy

By Amal Ali Elkordy

Calorimetry, as a method for thermal research, has a variety of purposes which aren't in simple terms restricted to learning the thermal characterisation (e.g. melting temperature, denaturation temperature and enthalpy swap) of small and massive drug molecules, yet also are prolonged to characterisation of gas, metals and oils. Differential Scanning Calorimetry is used to review the thermal behaviours of drug molecules and excipients via measuring the differential warmth stream had to hold the temperature distinction among the pattern and reference cells equivalent to 0 upon heating at a managed programmed price. Microcalorimetry is used to review the thermal transition and folding of organic macromolecules in dilute suggestions. Microcalorimetry is utilized in formula and stabilisation of healing proteins. This ebook provides examine from world wide at the purposes of calorimetry on either stable and liquid states of fabrics.

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Additional info for Applications of Calorimetry in a Wide Context - Differential Scanning Calorimetry, Isothermal Titration Calorimetry and Microcalorimetry

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Further informations about the transformation temperatures, the number of stages in which the transformation is occurring, details about the product(s) of each individual transformation (crystal structure, microstructure and chemical composition), and the activation energy (and also the atomic mechanism) can be obtained with the combination of DSC/DTA and X-rays diffraction/transmission electron microscopy techniques. The Kissinger method may not be useful in all studies of decomposition. For example, it may not be applicable for metallic glasses which may decompose by nucleation/growth, or a combination of both processes, where the decomposition is seldom described by first-order reaction kinetics [18, 19].

23). The lower values of the Avrami parameter can be ascribed to the presence of both Nb and B which favour the grain size refinement and the formation of a highly disordered state. 34 [2]. The former value is comparable to those obtained for the Finemet and Nanoperm [67]. However, it is higher than that obtained during the crystallization of the amorphous FeCoNbB alloy where α-(Fe,Co) nanocrystals with grain size of 15 nm are distributed in the amorphous matrix [65]. Bigot et al. 5 for the nanocrystallization of the Finemet [68].

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