Freezing of charge-stabilized colloidal dispersions

Article Abstract:

The Rogers-Young approximation for the Ornstein-Zernike integral equation is combined with the Hansen-Verlet-phase criterion for freezing to predict freezing of a hard-core repulsive Yukawa model (HCRYM) fluid. The comparison of theoretical predictions with corresponding computer simulation data discloses the superiority of the Rogers-Young approximation over the hypernetted chain approximation and the rescaled mean spherical approximation for freezing.

Colloid chemistry, Chemical equations

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Cm (III) sorption onto sapphire (alpha-Al2O3) single crystals

Article Abstract:

Cm (III) sorption onto different crystal planes (018), (104), (012), (110), and (001) of sapphire single crystals has been investigated at low Cm (III) concentrations. A homogeneous Cm (III) distribution on the sapphire surfaces has been demonstrated by autoradiography for all samples.

Analysis, Chemical properties, Sorption, Sapphires

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