Determining the radius and the apparent charge of a micelle from electrical conductivity measurements by using a transport theory: Explicit equations for practical use

Article Abstract:

A procedure that combines experiments and simple analytical formulas that allows determining good estimation of the size and charge of ionic micelles above the critical micellar concentration (cmc), is proposed. This satisfactorily describes the concentration domain below and moderately above the cmc and since the analytical formulas used involve a very small number of unknown parameters, they allow deriving the size and charge of macroions in solution from conductivity measurements.

Analysis, Measurement, Electric properties, Micelles, Transport theory, Structure

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Analytical theories of transport in concentrated electrolyte solutions from the MSA

Article Abstract:

The mean spherical approximation (MSA) approach to the transport properties of electrolyte solutions is discussed. The predicted equilibrium (osmotic pressure and activity coefficients) and transport coefficients are in good agreement with the experimental values up to high concentrations (1-2 mol L(super -1) are described.

Science & research, Electrolyte solutions, Electric fields

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Electrical conductance of cryptate solutions: comparison between experiments and simulation results

Article Abstract:

It has been possible to compute the electrical conductance of aqueous cryptated potassium chloride solutions below 0.15 mol/L. The interaction potential used in these simulations has a strong short-range attractive contribution which can produce an overlap between ions.

Potassium chloride

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