ISSN:
1435-1536
Keywords:
Surface charge density
;
silica
;
spherical particles
;
potentiometric titration
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
,
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Abstract The results of a systematic investigation on the influence of different alkali ion species on the surface charge density,σ 0, of spherical silica particles (AEROSIL 300) in the pH range between 4 and 8 and with electrolyte concentrations from 0.005 M to 0.3 M are presented. The accuracy of the data may be described by a residual deviation,s(σ 0 m ), including at least four single measurements:s(σ 0 m )〉0.2μC/cm2. The alkali sequence found for the spherical particles is in agreement with data for porous silica published by other authors.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00660369
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