Thermodynamic properties of aqueous solutions of sodium ibuprofen at 293.15–318.15 K

Autor:	N. G. Manin, German L. Perlovich
Rok vydání:	2015
Předmět:	Differential scanning calorimetry Aqueous solution Virial coefficient Chemistry Thermodynamics Physical and Theoretical Chemistry Solubility Heat capacity Enthalpy change of solution Dilution Calorimeter
Zdroj:	Russian Journal of Physical Chemistry A. 89:644-653
ISSN:	1531-863X 0036-0244
DOI:	10.1134/s0036024415040160
Popis:	The enthalpies of solution and dilution of aqueous solutions of sodium ibuprofen (NaIBP) with concentrations of m < 1.4 mol/kg water are measured at 293.15, 298.15, 308.15, and 318.5 K using an isoperibolic calorimeter. The heat capacity of NaIBP in the temperature range of 273.15–528.15 K is measured using a DSC 204 F1 Phoenix differential scanning calorimeter (NETZSCH, Germany). The virial coefficients of the enthalpies of aqueous solutions of NaIBP are derived in terms of the Pitzer model, and the thermodynamic properties of both the solutions and the solution components are calculated over the range of compound solubility. The variation in these characteristics as a function of concentration and temperature is analyzed.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::9c434c0aa8aacd2e82f52bd2a631398c https://doi.org/10.1134/s0036024415040160 Zobrazit plný text záznamu Full text from SpringerLink