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Activity coefficients for NaBr in ethanol-water mixtures at 25°C (1995)

González-Díaz, O. M. ; Fernández-Mérida, L. ; Hernández-Luis, F. ; [et al.]

Springer

Journal of solution chemistry 24 (1995), S. 551-563

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ISSN: 1572-8927

Keywords: Activity coefficients ; ethanol-water mixtures ; NaBr ; emf ; association

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract Activity coefficients for NaBr in ethanol-water mixtures with 0, 20, 40, 60, 70, 80, 90 and 99.9 weight% of ethanol have been determined at 25°C from the emf measurements of the galvanic cells $$Na - glass/NaBr(m),H_2 O(100 - Y),EtOH(Y),AgBr_{(S)} /Ag$$ The results obtained were analyzed by using the Pitzer equation. Those for the mixtures with ethanol content higher than 60 wt% were also analyzed by using a chemical model and their ion pair formation constants, K A 0 , determined and examined. The results were compared with those for NaCl reported in a previous paper.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00973206

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