Développement du domaine d'application de la calorimétrie à conduction et de l'analyse calorimétrique différentielle en thermodynamique et en cinétique
TL;DR: In this article, the authors reported first results concerning the simultaneous determination of equilibrium constants and enthalpies of reaction by titration conduction microcalorimetry, and described an electronic on-line corrector.
About: This article is published in Thermochimica Acta.The article was published on 1977-04-01. It has received 20 citations till now.
Citations
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TL;DR: The results of the application of the numerical and electronic inverse filtering to the same calorimetric output are presented in this paper, where two techniques, used to reduce the inertia of conduction calorimeters, give very similar results.
27 citations
TL;DR: In this article, the possibilities of using direct calorimetric measurements for the determination of kinetic parameters of processes are discussed in terms of the choice of an appropriate method of reproduction of the course of changes in the heat power generated in time.
Abstract: The possibilities of using direct calorimetric measurements for the determination of kinetic parameters of processes are discussed in terms of the choice of an appropriate method of reproduction of the course of changes in the heat power generated in time, i.e. thermokinetics. Such methods are presented and it is concluded that many of these methods permit reproduction of the thermokinetics in the same way as if the experimental thermal curve were obtained in a calorimetric system characterized by a time constant 100–200 times as large as that for the thermal inertia of this calorimetric system.
26 citations
TL;DR: In this article, the authors describe the modelling of nucrocalorimetric devices by means of heat-transport equations and the techniques for signal processing of the instrumental response, which enable to transform the devices commonly used as integrators into actual "thermal oscillographs".
26 citations
TL;DR: In this paper, a critical survey of the apparatus used and of the reactions studied has determined the working under which the measures must be carried out, and a conduction microcalorimeter fitted with an inertia corrector can be used.
25 citations
TL;DR: Harmonic analysis, electronic and numerical filtering have been used to reduce the inertia of conduction calorimeters as mentioned in this paper. But the limitations of the different techniques and the instrumentation required for their application have been evaluated by studying several well-known thermogeneses.
23 citations
References
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01 Jan 1958
19 citations
TL;DR: In this paper, a methode de correction is proposed for correction des courbes calorimetriques deformees par l'inertie thermique du calormetre and, donc, for determination des thermo- cinetiques.
Abstract: Le but du travail decrit dans cette serie d’articles a ete de tester une methode, proposee recemment, pour la correction des courbes calorimetriques deformees par l’inertie thermique du calorimetre et, donc, pour la determination des thermo- cinetiques. Dans le present article, la theorie de cette methode de correction et le diagramme des operations qui sont necessaires pour la mettre en œuvre sont d’abord brievement presentes. Le microcalorimetre TIAN-CALVET, l’equipement volumetrique annexe et le systeme d’acquisition de donnees qui sont employes pour tester la methode et pour l’appliquer a l’etude d’une reaction de catalyse heterogene sont ensuite decrits.
9 citations
TL;DR: In this article, an injection apparatus attached to the two elements of a conduction microcalorimeter allows measurement of the thermal change arising from displacement of the equilibria in the liquid phase.
8 citations
TL;DR: In this paper, a method is presented which calculates the thermogram by optimizing the parameters of a theoretical model, which introduces the characteristics of the apparatus by a convolution technique, and it is unnecessary to assume an analytical form of this function as in previous methods of analysis by deconvolution.
5 citations