Vapor pressures and osmotic coefficients of aqueous solutions of SDS, C(6)TAB, and C(8)TAB at 25 degrees C

Widera, Barbara and Neueder, Roland and Kunz, Werner (2003) Vapor pressures and osmotic coefficients of aqueous solutions of SDS, C(6)TAB, and C(8)TAB at 25 degrees C. LANGMUIR, 19 (20). pp. 8226-8229. ISSN 0743-7463

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Abstract

A comparison is given between the osmotic coefficients inferred from direct vapor pressure lowering and from indirect vapor pressure osmometry, for three aqueous surfactant solutions at 25 degreesC. The results show that vapor pressure osmometry is a rapid but very reliable technique even at room temperature, in contrast to the indications of the manufacturer. Furthermore, the comparison of both techniques reveals that dissolved gas has no noticeable influence on the osmotic coefficients.

Item Type: Article
Uncontrolled Keywords: SODIUM DODECYL-SULFATE; NONAQUEOUS ELECTROLYTE-SOLUTIONS; MICELLAR SURFACTANT SOLUTIONS; BROMIDE; EQUILIBRIUM; MODEL; WATER; PERCHLORATE; OSMOMETRY; CHLORIDE;
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > Prof. Dr. Werner Kunz
Depositing User: Dr. Gernot Deinzer
Date Deposited: 30 Aug 2021 09:42
Last Modified: 30 Aug 2021 09:42
URI: https://pred.uni-regensburg.de/id/eprint/38592

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