Surface properties of silicon nitride powders
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The surface charge densities of silicon nitride powders in NaNO3 solutions of various concentrations were investigated by the potentiometric acid-base titration method. The points of zero charge, pH(pzc) of silicon nitride powders were determined by the batch equilibration method. The site-binding model was applied to calculate the intrinsic acidity constants describing association -dissociation of silicon nitride surface groups. (C) 2002 Elsevier Science B.V. All rights reserved.
Кључне речи:silicon nitride / surface properties / points of zero charge / intrinsic equilibrium constants
Извор:Colloids and Surfaces. A: Physicochemical and Engineering Aspects, 2002, 197, 1-3, 147-156
ISSN: 0927-7757 (print)