1984
DOI: 10.1039/f19848000521
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Composition of aqueous solutions of ammonium sulphate and sulphuric acid

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Cited by 11 publications
(8 citation statements)
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“…This is related to the properties of the system in this range, characterized by the complicated dissociation of bisulfate to sulfate. 27, [34][35][36] The experimental data of equilibria ( 13) and ( 16) and the values of equilibrium constants, which are found to agree closely with previous independent estimates, 26,29,34-38 allow one to obtain the 'activity coefficient function of the solvent, Mc(s)'. This function, determined for H 2 SO 4 by eqn.…”
Section: The MC Activity Coefficient Function Of the Solvent: [Mc(s)]supporting
confidence: 84%
“…This is related to the properties of the system in this range, characterized by the complicated dissociation of bisulfate to sulfate. 27, [34][35][36] The experimental data of equilibria ( 13) and ( 16) and the values of equilibrium constants, which are found to agree closely with previous independent estimates, 26,29,34-38 allow one to obtain the 'activity coefficient function of the solvent, Mc(s)'. This function, determined for H 2 SO 4 by eqn.…”
Section: The MC Activity Coefficient Function Of the Solvent: [Mc(s)]supporting
confidence: 84%
“…For instance, pK HSO 4 Ϫ = Ϫ2 has been found to be in accord with the known thermodynamic value. 44 The Mc(s) function of the solvent [defined by eqn. (24) or (24a)] has also been estimated, as…”
Section: The Temperature Variation Of the MC Activity Coefficient Fun...mentioning
confidence: 99%
“…Dans la figure 4, les courbes formées de symboles représentent les valeurs réelles de distribution des espèces car elles proviennent de la mesure directe de la concentration des espèces. Les courbes en trait plein représentent les courbes théoriques (équations [9] et [10]) en considérant la contribution des coefficients d'activité du proton, de l'eau et des espèces ioniques de l'acide. Le choix des valeurs des coefficients d'activité dans les courbes de distribution théoriques est expliqué plus loin.…”
Section: Résultats De L'af Des Espèces Ioniques De L'acide Sulfuriqueunclassified
“…Le pH d'équipartition et l'équation [13] permettent d'obtenir directement la valeur de Γ 2 , le rapport des coefficients d'activité des ions bisulfate et sulfate (Tableau 2). Dans les équations [9], [10] et [12] (Fig. 4) on a fait l'approximation que Γ 2 est indépendant du pH pour calculer les courbes théoriques de distribution des espèces (lignes pleines de la figure 4).…”
Section: Titrage Volumétrique Et Coefficients D'activitéunclassified
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