Influence of the Electrolyte Type on the Adsorption and Electrokinetic Properties of the Ionic Polyamino Acids – Cr2O3 System

• Authors: Iwona Ostolska , Małgorzata Wiśniewska
• Languages of publication: EN

Abstracts

EN

The influence of a kind of support electrolyte on the ionic polyamino acids adsorption at the chromium (III) oxide – polymer solution interface was investigated. The NaCl and CaCl2 were used as the background electrolytes. In order to determine the effect of the electrolyte, the same value of ionic strength of the test solutions were taken. It was proved that formation of intermolecular and intramolecular complexes in the presence of divalent calcium ions is responsible for essential changes in polymer adsorption.Related to the ionic character of polyamino acid two different adsorption behaviours can be observed. The increase of the ASP adsorption amount in the presence of calcium ions may be explained by formation of complexes between the dissociated carboxylic groups and Ca2+ ions. The opposite situation takes place in the case of polylysine – the application of CaCl2 results in the dramatic decrease in the polymer adsorption caused by blocking the active sites available for LYS macromolecules. In order to make a comprehensive analysis, the zeta potential and surface charge density measurements were performed taking into account the kind of the background electrolyte. The above-mentioned tests were carried out in the absence and presence of the polyamino acid at two different concentrations – 10 and 100 ppm respectively.

Keywords

EN

Polyamino acid; polyaspartic acid; polylysine; chromium (III) oxide; polymer adsorption; potentiometric titration; zeta potential

• Journal: Annales UMCS, Chemia
• Year: 2014
• Volume: 68
• Issue: 1-2
• Pages: 75-93

Dates

online

17 - 10 - 2014

Contributors

author

Iwona Ostolska

• Maria Curie-Sklodowska University, Faculty of Chemistry, Department of Radiochemistry and Colloids Chemistry, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland,

author

Małgorzata Wiśniewska

• Maria Curie-Sklodowska University, Faculty of Chemistry, Department of Radiochemistry and Colloids Chemistry, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland

References

• 1. S. Liufu, X. Xiao, Y. Li, Journal of Colloid and Interface Science, 281, 155, (2005).
• 2. F. Shahidi, J. K. V. Arachchi, Y. J. Yeon, Trends in Food Science & Technology, 10, 37, (1999).
• 3. C. K. S. Pillai, C. P. Sharma, Journal of Biomaterials Application, 25, 291, (2010).
• 4. M. Silvander, Progress in Colloid and Polymer Science, 120, 35, (2002).
• 5. S. Farrokhpay, Advances in Colloid and Interface Science, 151, 24, (2009).
• 6. E. Grządka, Materials Chemistry and Physics, 126, 488, (2011).
• 7. R. J. Gettens, G. L. Stout, Painting materials: a short encyclopedia, Dover Publications, 2012.
• 8. U. Filipkowska, W. Janczukowicz, J. Rodziewicz, E. Jopp, Journal of Environmental Engeeniring, 24, 243, (2011). [9] M. Wiśniewska, K. Szewczuk-Karpisz, Environmental Science and Pollution Research, 20, 3657, (2013).
• 9. K. Wermöhlen, H. Lewandowski, H. D. Narres, M. J. Schwuger, Colloids and Surfaces A, 163, 45, (2000).
• 10. I. Ostolska, M. Wiśniewska, Central European Journal of Chemistry, in press.
• 11. V. M. Gun'ko, V. I. Zarko, E. F. Voronin, E. V. Goncharuk, L. S. Andriyko, N. V. Guzenko, L. V. Nosach, W. Janusz, Journal of Colloid and Interface Science, 300, 20, (2006).
• 12. S. Chibowski, E. Grządka, J. Patkowski, Croatica Chemica Acta, 82, 623, (2009).
• 13. S. Chibowski, J. Patkowski, E. Grządka, Journal of Colloid and Interface Science, 329, 1, (2009).
• 14. J. K. Mitchell, Fundamentals of Soil Behaviour, 2nd edition, John Viley & Sons Inc., 1993.
• 15. Y. Yukselen, A. Kaya, Water, Air, and Soil Pollution, 145, 155, (2003).
• 16. W. Janusz, J. Patkowski, S. Chibowski, Journal of Colloid and Interface Science, 266, 259, (2003).

Identifiers

DOI

10.2478/umcschem-2013-0007