Relevant bibliographies by topics / Enthalpie de dissolution

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Enthalpie de dissolution'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Enthalpie de dissolution"

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Murat, K., K. El M. Chbihi, and D. Mathurin. "Enthalpie de dissolution de differentes kaolinites et metakaolinites dans l'acide fluorhydrique. Influence des caracteristiques cristallochimiques." Thermochimica Acta 122, no. 1 (1987): 79–85. http://dx.doi.org/10.1016/0040-6031(87)80107-7.

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Ma, Shao Mei, Sheng Fu Wu, Zeng Wei Huang, An Ping Liao, and Ai Qun Yuan. "Synthesis and Standard Molar Formation Enthalpy of Plate Shape NaZnPO4·H2O." Applied Mechanics and Materials 121-126 (October 2011): 175–80. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.175.

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Plate shape NaZnPO4·H2O was synthesized by solid-state reaction at low temperature and characterized by X-Ray Diffraction, Scanning electron microscope and elemental analysis. Thermochemical study was performed with an isoperibol solution calorimeter. Based on Hess’s law, thermochemical cycl was designed to determine the dissolution enthalpies of reactants and products using a solution-reaction isoperibol calorimeter at 298.15 K, and the molar reaction enthalpy was calculated on the basis of above dissolution enthalpies. The results show that the obtained product is plate shape NaZnPO4·H2O. Th
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Piekarski, Henryk. "Dissolution enthalpy of NaCl in aqueous nonelectrolyte solutions at 298.15 K. Analysis of electrolyte–nonelectrolyte enthalpic pair interaction coefficients in aqueous solution." Canadian Journal of Chemistry 64, no. 11 (1986): 2127–31. http://dx.doi.org/10.1139/v86-350.

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Enthalpies of solution of NaCl in aqueous solutions of isopropanol, s-butanol, 2-methoxyethanol, 2-ethoxyethanol, acetone, and N,N-dimethylformamide were measured. The results of enthalpy measurements were analyzed from the point of view of the effect of added nonelectrolyte on water structure, and enthalpic pair interaction coefficients hxy{(Na+ + Cl−)–nonelectrolyte} were calculated and compared with appropriate data for (Na+ + I−)–nonelectrolyte pairs. The group additivity concept appeared to be useful for the analysis of calculated hxy coefficients. The correlations between hxy and the fun
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Solovyev, S. N., M. A. Krusheva, A. A. Gurov, and V. Aiguzhin. "Thermodynamic Characteristics of the Dissolution of Fullerene C60 in Benzene, Toluene, o-Xylene, o-Dichlorobenzene, and Carbon Disulfide at Different Temperatures." Herald of the Bauman Moscow State Technical University. Series Natural Sciences, no. 3 (90) (June 2020): 107–18. http://dx.doi.org/10.18698/1812-3368-2020-3-107-118.

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The enthalpy of the fullerene C60 dissolution in carbon disulfide CS2 at 298.15 K was measured in a calorimeter with an isothermal shell. The value of the standard enthalpy of the fullerene C60 dissolution in this substance was found. Standard thermodynamic functions of fullerene C60 dissolution in benzene, chlorobenzene, bromobenzene, carbon disulfide, toluene, o-xylene, and o-dichlorobenzene at 298.15 K were determined based on the results of thermometric measurements and theoretical data. The standard thermodynamic functions have also been determined for toluene, o-xylene, and o-dichloroben
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Ridka, O., V. Matiychuk, I. Sobechko, et al. "Thermodynamic properties of methyl 4-(4-methoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate in organic solutions." French-Ukrainian Journal of Chemistry 7, no. 2 (2019): 1–8. http://dx.doi.org/10.17721/fujcv7i2p1-8.

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The enthalpy and the entropy of dissolution of methyl 4-(4-methoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate in 2-propanol, ethyl acetate, acetonitrile, 2-propanone and benzene were determined from the temperature dependence of its solubility.The enthalpies and the entropies of mixing at 298 K were calculated taking into account the enthalpy of melting of the compound, determined via differential thermal analysis.The influence of the solvent on the solubility of the compound and on the corresponding enthalpy and entropy of mixing values was shown.
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Baluja, Shipra, Kapil Bhesaniya, Rahul Bhalodia, and Sumitra Chanda. "Solubility of Butylated Hydroxytoluene (BHT) in Aqueous and Alcohol Solutions from 293.15 to 313.15 K." International Letters of Chemistry, Physics and Astronomy 28 (February 2014): 48–58. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.28.48.

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The solubility of Butylated hydroxyl toluene in aqueous and alcohol solutions were determined at different temperatures (293.15 to 313.15) K. Using Van’t Hoff and Gibb’s equations, some thermodynamic functions such as Gibbs energy, enthalpy and entropy of dissolution, and of mixing of Butylated hydroxyl toluene in aqueous and alcohol solutions, were evaluated from solubility data. The solubility was greater in butanol and minimum in water. The enthalpies, entropy and Gibb’s energy of dissolution were positive for all solvents.
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Sobechko, І. B., Yu I. Gorak, V. M. Dibrivnyi, O. R. Klachko та R. R. Kostyuk. "Тhermodynamic properties solutions 5-(nitrophenyl)-furan-2-carboxylic acid in ethyl acetate". Chemistry, Technology and Application of Substances 4, № 1 (2021): 1–7. http://dx.doi.org/10.23939/ctas2021.01.001.

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According to the temperature dependence of the solubility of 5-(2-nitrophenyl)-furan-2-carboxylic acid, 5-(3-nitrophenyl)-furan-2-carboxylic acid and 5-(4-nitrophenyl)-furan-2-carboxylic acid, in the values of enthalpy and entropy of their dissolution were calculated in ethyl acetate. Taking into account the enthalpy and entropy of melting listed up to 298 K, the enthalpies and entropies of mixing are calculated. The dependence of the solubility of carboxyl-containing substances at 298 K on their melting point was established.
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Gurov, A. A., M. A. Krusheva, S. N. Solovev, and O. A. Oreshkina. "Thermochemistry of Fullerene C60 Solutions in Toluene, o-Xylene and o-Dichlorobenzene." Herald of the Bauman Moscow State Technical University. Series Natural Sciences, no. 84 (June 2019): 89–95. http://dx.doi.org/10.18698/1812-3368-2019-3-89-95.

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In hermetic highly sensitive calorimeter with an isothermal shell, the enthalpies of dissolution of fullerene C60 in toluene, o-xylene and o-dichlorobenzene were measured at temperatures of 288.15 K and 308.15 K at various concentrations of the dissolved substance. On the basis of the measured values and literature data, standard thermodynamic functions of the dissolution of C60 in the above mentioned solvents have been found at the indicated temperatures. The fact of the change in the sign of the dissolution enthalpy for all three systems under study at a transition to a temperature of 308.15
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Gurov, A. A., A. N. Ozhogina, and S. N. Solovyev. "Thermodynamic Characteristics of a Series of Antimony Compounds: Standard Formation Enthalpy of Antimony Oxychloride SbOCl." Herald of the Bauman Moscow State Technical University. Series Natural Sciences, no. 1 (94) (February 2021): 109–15. http://dx.doi.org/10.18698/1812-3368-2021-1-109-115.

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The present work opens a series of publications devoted to the description of the results of determination or clarification of the formation enthalpies of certain antimony compounds that are of significant applied interest to science and technology. The measurement results of enthalpy of interaction crystalline SbCl3 and water with formation of crystalline SbOCl are given. On the basis of the obtained and literature data, the value of standard formation enthalpy of the product of this interaction --- antimony oxychloride SbOCl at temperature 298.15 K is calculated. This value coincided with th
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Sures, Dylan, G. Nagabhushana, Alexandra Navrotsky, and May Nyman. "Thermochemical Measurements of Alkali Cation Association to Hexatantalate." Molecules 23, no. 10 (2018): 2441. http://dx.doi.org/10.3390/molecules23102441.

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Ion association is an important process in aqueous dissolution, precipitation, and crystallization of ionic inorganic, organic, and biological materials. Polyoxometalates (POMs) are good model compounds for understanding the complex relationships between lattice energy, ion-pairing in solution, and salt solubility. Here we perform calorimetric measurements to elucidate trends in cluster stability, lattice energy, and ion-pairing behavior studies of simple hexatantalate salts in neat water, parent hydroxide solutions, and molybdate melts, extending previous studies on the isostructural hexaniob
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Dissertations / Theses on the topic "Enthalpie de dissolution"

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Chbihi, Mohammed El Mahi. "Caractérisation de l’état de désorganisation des argiles thermiquement activées." Lyon, INSA, 1986. http://www.theses.fr/1986ISAL0041.

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[L'étude de l'état de désorganisation de kaolinites naturelles et des métakaolinites issues de leur dissociation thermique a été effectuée par calorimétrie de dissolution dans l'acide fluorhydrique. Les enthalpies de dissolution ont été déterminées par calorimétrie isopéribolique. De ces valeurs ont été déduites pour chacune des kaolinites l'enthalpie de déshydratation ainsi que la température optimale d'activation thermique conduisant à un solide à l'état de désorganisation cristalline maximale. Les résultats obtenus mettent en évidence l'importance des caractéristiques cristallo-chimiques de
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Hedibel, Mohammed. "Etude thermocinétique de la dissolution d'un métal solide dans une matrice métallique liquide." Nice, 1991. http://www.theses.fr/1991NICE4472.

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Par calorimetrie de reaction directe, le memoire analyse les mecanismes et la cinetique, d'une part de l'attaque d'un metal solide a par un element b en phase vapeur, d'autre part la dissolution de ce metal dans un alliage liquide a-b. Les thermogrammes obtenus sont deconvolues numeriquement et conduisent a la thermogenese reelle des phenomenes. La methode a ete appliquee au systeme ag-te en fonction de la temperature et de la concentration. Dans le cas des reactions solide-vapeur, la methode permet, sous certaines conditions, la determination des limites de phases du systeme a une temperature
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Arcis, Hugues. "Etude thermodynamique de la dissolution du dioxyde de carbone dans des solutions aqueuses d'alcanolamines." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2008. http://tel.archives-ouvertes.fr/tel-00731443.

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Cette thèse porte sur l'étude de l'enthalpie de dissolution du dioxyde de carbone dans des solutions aqueuses d'amine. Pour développer des modèles théoriques décrivant les systèmes (CO2-amine-eau) pour les conditions appliquées aux procédés industriels, il est nécessaire d'avoir des données expérimentales reliant la solubilité et l'enthalpie. Dans cette étude, nous avons utilisé une unité de mélange construite au laboratoire que nous avons adapté à un calorimètre SETARAM C-80 pour mesurer l'enthalpie de solution du CO2 dans cinq solutions aqueuses d'amine, (la 2-Amino-2-méthyl-1-propanol (AMP
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Liborio, Barbara. "Dissolution du dioxyde de carbone dans des solutions aqueuses d'électrolyte dans le contexte du stockage géologique : approche thermodynamique." Thesis, Université Clermont Auvergne‎ (2017-2020), 2017. http://www.theses.fr/2017CLFAC008/document.

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Cette thèse porte sur l’étude de l’enthalpie de dissolution du dioxyde de carbone dans des solutions aqueuses d’électrolyte. Pour développer des modèles théoriques décrivant les systèmes {CO2-eau-sel} pour les conditions appliquées aux conditions de stockage géologique du dioxyde de carbone, il est nécessaire d’avoir des données expérimentales reliant la solubilité et l’enthalpie. Dans cette étude, une unité de mélange à écoulement construite au laboratoire a été adapté à un calorimètre SETARAM C-80 pour mesurer l’enthalpie de solution du CO2 dans des solutions aqueuses d’électrolyte (NaCl, Ca
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Bordes, Emilie. "Graphène dans des liquides ioniques : interactions aux interfaces, exfoliation, stabilisation." Thesis, Université Clermont Auvergne‎ (2017-2020), 2017. http://www.theses.fr/2017CLFAC052.

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L'exfoliation en phase liquide du graphite est l'une des méthodes les plus prometteuses pour augmenter la production et la disponibilité commerciale du graphène. Le processus d'exfoliation peut être décrit, de manière conceptuelle, en quatre étapes: le contact du graphite avec le liquide, l'intercalation du solvant entre les feuillets de graphène, la dispersion du matériau à deux dimension et sa stabilisation en phase liquide. Comme les liquides ioniques peuvent être facilement obtenus avec différentes structures moléculaires et donc des propriétés physicochimiques modulables, ils ont été util
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Hubert, Nathalie. "Contribution à la détermination des propriétés thermodynamiques des solutions aqueuses d'électrolytes forts : étude des systèmes H2O-NaCl et H2O-Na2SO4 entre 25°C et 100°C par mesures d'équilibre liquide-vapeur et par calorimétrie." Vandoeuvre-les-Nancy, INPL, 1996. http://www.theses.fr/1996INPL005N.

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L’objectif du présent travail est de définir une procédure expérimentale optimale pour déterminer les propriétés thermodynamiques de solutions aqueuses binaires d'électrolytes forts. Deux expérimentations complémentaires ont été mises en œuvre. D’une part, des mesures de la pression de vapeur de l'eau ont été effectuées afin de déterminer les variations du coefficient osmotique en fonction de la température et de la composition. Pour cela, un dispositif manométrique statique non isotherme a été construit et validé par l'étude du système H2O-NaCl entre 25°C et 100°C. D’autre part, des mesures i
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Gudavalli, Ravi Krishna. "Effect of pH and temperature on the carbonate promoted dissolution of sodium meta-autunite." FIU Digital Commons, 2012. http://digitalcommons.fiu.edu/etd/773.

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Release of uranium from Na-autunite, an artificial mineral created as a result of polyphosphate injection in the subsurface at the DOE Hanford Site, takes place during slow dissolution of the mineral structure. Stability information of the uranyl-phosphate phases is limited to conditions involving pH, temperature, and a few aqueous organic materials. The carbonate ion, which creates very strong complexes with uranium, is the predominant ion in the groundwater composition. The polyphosphate technology with the formation of autunite was identified as the most feasible remediation strategy to seq
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Abell, Timothy Noah. "Investigating General Chemistry and Physical Chemistry Students' Understanding of Solutions Chemistry: The Development of the Enthalpy and Entropy in Dissolution and Precipitation Inventory." Miami University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=miami1555083886097745.

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Wollmann, Georgia. "Crystallization Fields of Polyhalite and its Heavy Metal Analogues." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2010. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-32906.

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Polyhalite is an abundant distributed mineral in rock salt formations, and considered to respond as a natural heavy metal sink because the Mg2+ ion can be substituted by other bivalent metal ions like Mn2+, Co2+, Ni2+, Cu2+ and Zn2+. One of the quantities needed to predict mineral solubilities in multi-electrolyte solutions is the solubility constant Ksol. Since polyhalite forms slowly over months or years at 298 K, the solid-liquid phase equilibria experiments were accomplished at 313 K. Enthalpies of dissolution were measured and used to extrapolate lnKsol from 313 K to 298 K. Pitzer’s equa
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Wollmann, Georgia. "Crystallization Fields of Polyhalite and its Heavy Metal Analogues." Doctoral thesis, 2009. https://tubaf.qucosa.de/id/qucosa%3A22719.

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Polyhalite is an abundant distributed mineral in rock salt formations, and considered to respond as a natural heavy metal sink because the Mg2+ ion can be substituted by other bivalent metal ions like Mn2+, Co2+, Ni2+, Cu2+ and Zn2+. One of the quantities needed to predict mineral solubilities in multi-electrolyte solutions is the solubility constant Ksol. Since polyhalite forms slowly over months or years at 298 K, the solid-liquid phase equilibria experiments were accomplished at 313 K. Enthalpies of dissolution were measured and used to extrapolate lnKsol from 313 K to 298 K. Pitzer’s equa
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Book chapters on the topic "Enthalpie de dissolution"

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Marabi, A., A. Raemy, A. Burbidge, R. Wallach, and I. S. Saguy. "The Effect of Water and Fat Contents on the Enthalpy of Dissolution of Model Food Powders: A Thermodynamic Insight." In Water Properties in Food, Health, Pharmaceutical and Biological Systems: ISOPOW 10. Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9780470958193.ch3.

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Maxim, Florentina, Alina Botea-Petcu, Florina Teodorescu, Ludwig J. Gauckler, and Speranta Tanasescu. "Thermodynamic Stability and Microscopic Behavior of BaxSr1-xCo1-yFeyO3-δ Perovskites." In Structure Processing Properties Relationships in Stoichiometric and Nonstoichiometric Oxides. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.94028.

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The mixed conducting perovskite-type oxides BaxSr1-xCo1-yFeyO3-δ (BSCF) are intensively studied as potential high-performance solid oxide fuel cell cathode materials. The effect of different compositional variables and oxygen stoichiometry on the structure and thermodynamic stability of the BaxSr1-xCo1-yFeyO3-δ (x = 0.2, 0.4, 0.5, 0.6, 0.8; y = 0.2, 0.4, 0.6, 0.8, 1) perovskite-type compositions were investigated by solid electrolyte electrochemical cells method and scanning electron microscopy (SEM). The thermodynamic quantities represented by the partial molar free energies, enthalpies and entropies of oxygen dissolution in the perovskite phase, as well as the equilibrium partial pressures of oxygen were obtained in the temperature range of 823–1273 K. The in situ change of oxygen stoichiometry and the determination of thermodynamic parameters of the new oxygen-deficient BSCF compositions were studied via coulometric titration technique coupled with electromotive force (EMF) measurements. The effect of A- and B-site dopants concentration correlated to the variation of oxygen stoichiometry on the thermodynamic stability and morphology of the BSCF samples was evidenced.
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Conference papers on the topic "Enthalpie de dissolution"

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Saab, Joseph, Ramy Abou Naccoul, Juliette Stephan, Rosette Ouaini, Jacques Jose, and Naim Ouaini. "Dynamic Fluid Saturation Method for Hydrocarbons Thermodynamics’ Properties Determination." In ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37114.

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Low solubility compounds suffer from lack of data, leading to an impoverishment in thermodynamic parameters such as Gibbs free energy (ΔG), enthalpy of dissolution (ΔH), entropy (ΔS), infinite dilution coefficient (γ∞) and isobaric heat capacity (Cp) of utmost practical importance for industrial optimization processes. Dynamic fluid method is a novel technique for low solubility (expressed as molar fraction χ) determination based on the saturation of a specific heated fluid passing through a saturation cell. The heated components are kept inside a chromatographic oven maintained at a constant
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Reports on the topic "Enthalpie de dissolution"

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Powell, Brian, Daniel I. Kaplan, Yuji Arai, Udo Becker, and Rod Ewing. Development of a Self-Consistent Model of Plutonium Sorption: Quantification of Sorption Enthalpy and Ligand-Promoted Dissolution. Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1367657.

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