Surface Charge Heterogeneity in Amphibole Cleavage Fragments and Asbestos Fibers

Surface Charge Heterogeneity in Amphibole Cleavage Fragments and Asbestos Fibers

Aspect ratio and electrophoretic mobility data for amphibole particles reveal that short fibers and blocky cleavage fragments have a smaller net charge than highly elongated particles. Asbestos fibers and cleavage fragments of the same dimensions exhibit the same net negative surface charge but posi...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1980-09, Vol.209 (4464), p.1530-1532
Hauptverfasser: Schiller, Joseph E., Payne, Sequoyah L., Khalafalla, Sanaa E.
Format: Artikel
Sprache:eng
Schlagworte:
Acicular crystals
Amphiboles
Asbestos
Aspect ratio
Charge density
Electric fields
Geometric planes
Minerals
Mining
Surface areas
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Zusammenfassung:Aspect ratio and electrophoretic mobility data for amphibole particles reveal that short fibers and blocky cleavage fragments have a smaller net charge than highly elongated particles. Asbestos fibers and cleavage fragments of the same dimensions exhibit the same net negative surface charge but positively charged ends and negatively charged lateral surfaces.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.209.4464.1530