Electrostatic Fields: Their Effect on the Surface Tension of Aqueous Salt Solutions

Electrostatic Fields: Their Effect on the Surface Tension of Aqueous Salt Solutions

Electrostatic fields of up to 7000 volt/cm have been applied across air/solution interfaces by means of parallel-plate electrodes, and the resulting surface tension changes were obtained by measuring, through a balance linkage, the deflection of mica plates floating on the surface. Surface tension c...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1962-03, Vol.135 (3506), p.791-792
Hauptverfasser: Hurd, Ray M., Schmid, Gerhard M., Snavely, Earl S.
Format: Artikel
Sprache:eng
Schlagworte:
Electric fields
Electrodes
Electrostatic fields
Field strength
Interfacial tension
Mica
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Zusammenfassung:Electrostatic fields of up to 7000 volt/cm have been applied across air/solution interfaces by means of parallel-plate electrodes, and the resulting surface tension changes were obtained by measuring, through a balance linkage, the deflection of mica plates floating on the surface. Surface tension changes (always negative) of up to 0.5 dyne/cm have been observed in both distilled water and dilute sodium chloride solutions.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.135.3506.791