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Activity and osmotic coefficients for the ternary system (sodium bromide + tetramethylammonium bromide + water) atT=298.15 K

✍ Scribed by Weidong Yan; Shijun Han

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
140 KB
Volume
30
Category
Article
ISSN
0021-9614

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✦ Synopsis

Activity coefficients of sodium bromide in aqueous mixtures of sodium bromide and . tetramethylammonium bromide were determined by e.m.f. measurements at T s 298.15 K . y1 Ε½ . and at eight different ionic strengths from 0.1 to 2.5 mol kg . The experimental data were fitted using the Scatchard, Pitzer, and Lim equations, respectively. The osmotic coefficients, excess Gibbs free energies of mixing, and activity coefficients of tetramethylammonium bromide were calculated using Pitzer parameters obtained in this work.

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