Results 231 to 240 of about 88,199 (274)

Dynamic surface tension measurements of surfactant solutions using the maximum bubble pressure method – limits of applicability

Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2004
One of the essential differences in the design of bubble pressure tensiometers consists in the geometry of the measuring capillaries. To reach extremely short adsorption times of milliseconds and below, the so-called deadtime of the capillaries must be of the order of some 10 ms.
V. B. Fainerman, V. N. Kazakov, Alexander V. Makievski, Reinhard Miller, S. V. Lylyk   +4 more
openaire   +3 more sources

The effect of capillary characteristics on the results of dynamic surface tension measurements using the maximum bubble pressure method

Colloids and Surfaces A: Physicochemical and Engineering Aspects, 1998
Abstract The dynamic surface tension of Triton X-100 solutions was measured using the maximum bubble pressure method (MBPM). The data obtained depended on the geometry and material of the capillaries employed. It is shown that reliable results are obtained with short capillaries of hydrophobic internal surfaces.
Volodymyr I. Kovalchuk, V. B. Fainerman, K. H. Schano, Alexander V. Makievski, Reinhard Miller, S. V. Lylyk   +5 more
openaire   +3 more sources

Effect of the surface expansion and wettability of the capillary on the dynamic surface tension measured by the maximum bubble pressure method

Colloids and Surfaces A: Physicochemical and Engineering Aspects, 1996
The dynamic surface tension (DST) of sodium dodecyl sulfate solutions in the presence of sodium chloride is studied by the maximum bubble pressure method. The pressure oscillations are measured with a pressure transducer, while the change of the bubble area with time is determined by means of a video system. The role of the wettability of the capillary
Luben N. Arnaudov, Orlin D. Velev, Guy Broze, Tommy S. Horozov, Ceco D. Dushkin, Ammanuel Mehreteab, Krassimir D. Danov   +6 more
openaire   +3 more sources

Improvements in the maximum-bubble-pressure method of measuring surface tension

Langmuir, 1986
K. J. Mysels
openaire   +3 more sources

Surface tension measurement by the differential maximum bubble pressure method using a pressure transducer

Journal of Colloid and Interface Science, 1974
R Razouk, D Walmsley
openaire   +3 more sources

Optimized and Refined Apparatus for Measuring Surface Tension with the Bubble-Pressure Method

, 2021
A modified apparatus for measuring surface tension with the bubble-pressure method is proposed. Compared with a traditional instrument, this apparatus improved the accuracy of maximum pressure diff...
Yunshan Bai, Guoling Li, L. Li, Kewang Wang, Shirong Li, Huanhuan Liu   +5 more
semanticscholar   +1 more source

A test of the maximum bubble pressure method for electrocapillary measurements

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1987
Abstract The reliability of the maximum bubble pressure method for electrocapillary measurements has been tested in aqueous and non-aqueous solutions. The results suggest that, although contact angle problems are actually eliminated by using this method, serious systematic errors may be observed.
Panagiotis Nikitas, Adriani Pappa-Louisi
openaire   +2 more sources

Some limitations in the interpretation of the time dependence of surface tension measured by the maximum bubble pressure method

Langmuir, 1989
K. J. Mysels
openaire   +3 more sources

Measurement of the surface tension of electrolytic copper by the maximum gas bubble pressure method

Bulletin of the Academy of Sciences, USSR Division of Chemical Science, 1964
1. The surface tension of electrolytic copper at 1600° has been measured and found to be 1230 dyne/cm. 2. The possibility has been shown of experimentally confirming the correctness of the use of external radii in calculating a from Cantor's formula or from Sugden's formula in the investigation of non-wetting liquids.
V. B. Lazarev, V. I. Yashkichev
openaire   +2 more sources

Dynamic of soluble adsorption layer studied by a maximum bubble pressure method in the µs and ms range of time

2007
The MPT1 allows to determine the bubble dead time and to calculate the effective surface age of a bubble. The developed theory for describing adsorption processes at the surface of a growing bubble and useful approximate solutions of this theory give access to a quantitative interpretation of experiments.
V. B. Fainerman, Reinhard Miller, P. Joos   +2 more
openaire   +2 more sources