Activity coefficients and partial molar excess enthalpies at infinite dilution for four esters in water

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F10%3A00023419" target="_blank" >RIV/60461373:22340/10:00023419 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Activity coefficients and partial molar excess enthalpies at infinite dilution for four esters in water

Popis výsledku v původním jazyce

Infinite dilution activity coefficients of four esters, namely dimethyl carbonate, diethyl carbonate, vinyl acetate, and methyl methacrylate in water were measured at several temperatures in the range from 273 K to 333 K. The inert gas stripping technique, and for methyl methacrylate also the headspace analysis with solid-phase microextraction sampling, was employed for the purpose. Infinite dilution partial molar excess enthalpies of these aqueous solutes were further measured at several temperatures in the range from 288 K to 318 K using isothermal flow mixing microcalorimetry which allowed reliable derivation of respective heat capacities. For each ester, the data measured in this work together with those reported previously in the literature were correlated with a suitable model equation providing adequate simultaneous description of the equilibrium measurements and the calorimetric information. As a result, a recommended thermodynamically consistent temperature dependence of limit

Název v anglickém jazyce

Activity coefficients and partial molar excess enthalpies at infinite dilution for four esters in water

Popis výsledku anglicky

Infinite dilution activity coefficients of four esters, namely dimethyl carbonate, diethyl carbonate, vinyl acetate, and methyl methacrylate in water were measured at several temperatures in the range from 273 K to 333 K. The inert gas stripping technique, and for methyl methacrylate also the headspace analysis with solid-phase microextraction sampling, was employed for the purpose. Infinite dilution partial molar excess enthalpies of these aqueous solutes were further measured at several temperatures in the range from 288 K to 318 K using isothermal flow mixing microcalorimetry which allowed reliable derivation of respective heat capacities. For each ester, the data measured in this work together with those reported previously in the literature were correlated with a suitable model equation providing adequate simultaneous description of the equilibrium measurements and the calorimetric information. As a result, a recommended thermodynamically consistent temperature dependence of limit

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BJ - Termodynamika

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2010

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Fluid Phase Equilibria

ISSN

0378-3812

e-ISSN

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Svazek periodika

295

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

7

Strana od-do

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Kód UT WoS článku

000280390500006

EID výsledku v databázi Scopus

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