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Journal of Thermal Analysis and Calorimetry

, Volume 128, Issue 1, pp 475–479 | Cite as

Solubility of argon and nitrogen in aqueous solutions of tetradecyltrimethylammonium bromide from 283.15 to 298.15 K and 101,325 Pa partial pressure of gas

  • Luis C. A. Garzon
  • Andres F. Suarez
  • Carmen M. Romero
Article

Abstract

This paper reports experimental results regarding the solubility of argon and nitrogen in aqueous solutions of tetradecyltrimethylammonium bromide (TTAB) at temperatures between 283.15 and 298.15 K, 101,325 Pa partial pressure of gas, and 0.04–0.20 mol kg−1 of TTAB concentration. Measurements were taken in specially developed equipment, following the change in gas pressure. The gas solubility was determined applying Henry’s law. The experimental results show that the solubility of argon and nitrogen in the TTAB micelles is 62.5–86.3 times higher than the solubility in pure water. The solubility of the studied gases is larger in the TTAB micelles than in the DTAB determined in a previous work under the same experimental conditions, showing the effect of the addition of a methylene group in the alkyl chain of DTAB. Comparing the results obtained, it can be observed that the TTAB micelles are larger and have a higher solubilization capacity.

Keywords

Gas solubility Aqueous solution Tetradecyltrimethylammonium bromide Surfactants Micelles 

Notes

Acknowledgements

The authors would like to thank Professor Luis H. Blanco (1945–2012) for his advice and support in the development of this work. Professor Blanco was a faculty member of the Department of Chemistry from Universidad Nacional de Colombia. This work was supported by Universidad Nacional de Colombia, Universidad de Bogotá Jorge Tadeo Lozano and Instituto Colombiano para el Desarrollo de la Ciencia y la Tecnología, Francisco José de Caldas - COLCIENCIAS.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2016

Authors and Affiliations

  • Luis C. A. Garzon
    • 1
  • Andres F. Suarez
    • 2
  • Carmen M. Romero
    • 1
  1. 1.Departamento de Química, Facultad de CienciasUniversidad Nacional de ColombiaBogotáColombia
  2. 2.Facultad de Ciencias Naturales e IngenieríaUniversidad de Bogotá Jorge Tadeo LozanoBogotáColombia

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