Activity coefficients in mixed solutions. Prediction of Harned coefficients from ionic entropies

1970 ◽  
Vol 74 (10) ◽  
pp. 2225-2229 ◽  
Author(s):  
J. V. Leyendekkers
Keyword(s):  
Activity Coefficients ◽  
Mixed Solutions ◽  
Harned Coefficients

Thermodynamics of electrolyte solutions: activity coefficients of NaCl in the NaCl–NiCl2–H2O system at 25, 35, and 45 °C

1990 ◽  
Vol 68 (2) ◽  
pp. 294-297 ◽  
Author(s):  
Ch. Venkateswarlu ◽  
J. Ananthaswamy
Keyword(s):  
Activity Coefficients ◽  
Silver Chloride ◽  
Osmotic Coefficients ◽  
Reference Electrode ◽  
Nickel Chloride ◽  
Electrolyte Solutions ◽  
Pitzer Formalism ◽  
Harned Coefficients ◽  
Silver Silver ◽  
Silver Silver Chloride

The activity coefficients of NaCl in the NaCl–NiCl2–H2O system were estimated at 25, 35, and 45 °C and total ionic strengths of 0.5, 1.0, 2.0, and 3.0 m by an EMF method using a Na-ion selective electrode and a silver–silver chloride reference electrode. The Harned coefficients were calculated at all the temperatures studied. At 25 °C the data were analysed using the Pitzer formalism. The osmotic coefficients and the excess free energies of mixing were also calculated at 25 °C. Keywords: activity coefficients, sodium chloride, nickel chloride, Pitzer equations, thermodynamics.

Drag reduction using mixed solutions of hydrotrope and surfactant in gravity driven flow systems

2013 ◽  
Vol 8 (3) ◽  
pp. 22-27
Author(s):  
M. Venkata Ramana ◽  
◽  
Ch. V. Subbarao ◽  
P. V. Gopal singh ◽  
Krishna Prasad K.M.M ◽  
...  
Keyword(s):  
Drag Reduction ◽  
Mixed Solutions ◽  
Flow Systems ◽  
Gravity Driven ◽  
Gravity Driven Flow

Ion Release from Casts of Commercially Pure Titanium in Mixed Solutions of Organic Acids Contained in Human Saliva

2008 ◽  
Vol 52 (4) ◽  
pp. 501-506 ◽  
Author(s):  
Teruhisa Hirayama ◽  
Marie Koike ◽  
Tadafumi Kurogi ◽  
Akiko Shibata ◽  
Shigeru Nakamura ◽  
...  
Keyword(s):  
Organic Acids ◽  
Pure Titanium ◽  
Human Saliva ◽  
Commercially Pure Titanium ◽  
Ion Release ◽  
Commercially Pure ◽  
Mixed Solutions
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