Intentionally Added Ionic Surfactants Induce Jones-Ray Effect at Air-Water Interface
Source abstract
Abstract
The Jones-Ray effect is an anomalous minimum in the surface tension of aqueous electrolytes at millimolar salt concentrations. We experimentally demonstrated that intentionally added ionic surfactants induce the Jones-Ray effect. The one-dimensional Poisson-Boltzmann theory, including the effect of surfactant adsorption and salt depletion, excellently agrees with the obtained experimental data. All the parameters of the ion-specific surface affinities used in the theory are consistent with previous experiments. These results strongly suggest that the Jones-Ray effect observed so far has been induced by the inevitable contamination of the air-water interfaces.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electrostatics and Colloid Interactions · Spectroscopy and Quantum Chemical Studies · Chemical and Physical Studies
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