Effect of Nanoscale Particles on the Surface Properties of Aqueous Suspensions of Bentonites

The results are presented from experimental studies of the concentration and temperature dependences of the surface tension of aqueous suspensions of bentonites. The studies are conducted using the hanging drop method on a DSA-100 tensiometer. The maximum error of measuring surface tension is 1%. A...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2018-07, Vol.82 (7), p.902-904
Main Authors: Dadashev, R. H., Dzhambulatov, R. S., Elimkhanov, D. Z.
Format: Article
Language:English
Subjects:
Chemical analysis
Error analysis
Hadrons
Heavy Ions
Nuclear Physics
Organic chemistry
Physics
Physics and Astronomy
Surface layers
Surface properties
Surface tension
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Summary:The results are presented from experimental studies of the concentration and temperature dependences of the surface tension of aqueous suspensions of bentonites. The studies are conducted using the hanging drop method on a DSA-100 tensiometer. The maximum error of measuring surface tension is 1%. A chemical analysis of samples of the studied bentonites is performed. An attempt is made to explain the nature of the minimum in the isotherms of surface tension of the suspension in terms of the spatial orientation of nanoparticles in the surface layer.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873818070158