Coefficients B de viscosité dans les systèmes ternaires aqueux. I. NaCl – alcool tert-butylique – eau et Bu4NBr – alcool tert-butylique – eau à 25 °C

Values of the B coefficient of the viscosity of the Jones-Dole equation are reported for sodium iodide in the water-t-butyl alcohol system up to 90 mol % t-butyl alcohol at 26 "C. The calculation of the theoretical A coefficient of the Jones-Dole equation needs the ionic limiting conductivity data. The conductivity measurements of Bu,NI and NaBPh, solutions in water-tbutyl alcohol mixtures at 26°C were performed in order to divide the conductivity for NaI, known from our earlier investigations, into ionic contributions. The division is based on the assumption of Fuoss et al. that A,(Bu,N+) = 0.5 19A,(Bu,NBPh,).It was found that the Jones-Dole equation was obeyed by all solutions in the investigated range of NaI concentration, i.e. the D coefficient was equal to zero. The conductivity data showed th8t NaI was associated in solutions with more than 20 mol % of t-butyl alcohol. Thus, the ionic association was taken into consideration in calculating the values of Bi and B, coefficients, referring to the ion-solvent and ion-pair-solvent interactions, respectively. The ion-solvent interactions (Bi) was higher than those resulting from Bcoefficient values without correction.

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Influence of ionic association on the B coefficient of the Jones–Dole equation for Kl and KCl in water–t-butyl alcohol mixtures at 26°C

Kacperska¹,

Taniewska-Osińska²,

Bald³

et al. 1990

J. Chem. Soc., Faraday Trans.

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Coefficients B de viscosité dans les systèmes ternaires aqueux. I. NaCl – alcool tert-butylique – eau et Bu₄NBr – alcool tert-butylique – eau à 25 °C

Abstract: Coefficients B de viscositk dans %es systkmes ternaires aqueux. I. NaCB -aEcool &ere-butylique -eau et Bu,NBr -alleool terk-butyllique -eau h 25°C

Cited by 5 publications

References 3 publications

Viscosity of ternary mixtures. II. Water-tert-butyl alcohol-alkali halides

Viscosity of ternary mixtures. II. Water-tert-butyl alcohol-alkali halides

Influence of ionic association on the B coefficient of the Jones–Dole equation for NaI in water–t-butyl alcohol mixtures at 26 °C

Influence of ionic association on the B coefficient of the Jones–Dole equation for Kl and KCl in water–t-butyl alcohol mixtures at 26°C

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