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Digitale Medien

Streaming Current Measuring for Determining the Zeta Potential of Granular Particles (1995)

Rodier, Elizabeth ; Dodds, John

Weinheim : Wiley-Blackwell

Particle and Particle Systems Characterization 12 (1995), S. 198-203

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Details

ISSN: 0934-0866

Schlagwort(e): Chemistry ; Industrial Chemistry and Chemical Engineering

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Maschinenbau , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: A simple technique is presented for determining the zeta potential of large particles ( 〉 20 μm) by streaming current measurements. The method has the advantage of not requiring correction for surface conductivity. The theory involves a description of pore space by either Darcy's law or the Kozeny-Carman equation. The simplifications introduced by assimilating the pore space to a bundle of capillary tubes are discussed. Results are presented for the variation of zeta potential with pH and ionic strength for a sieve cut of spherical glass beads and two different samples of irregular particles of silicon carbide.

Zusätzliches Material: 5 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/ppsc.19950120407

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