Studies on the Zetapotential of Calcite/p-Sulfonatocalix[ 4,8]arenes

Sreedevi, P and Chennakesavulu, K and Bhaskar Raju, G and Prabhakar, S (2011) Studies on the Zetapotential of Calcite/p-Sulfonatocalix[ 4,8]arenes. Journal of Dispersion Science and Technology, 32 . pp. 1531-1536.



Zeta potential of calixarenes has been reported for the first time. The water-soluble calixarenes has been used as dispersion media in solid/liquid interface. p-sulfonato-calix[4]arene (PSC4) and p-sulfonato-calix[8]arene (PSC8) were synthesized and characterized by FTIR, NMR, mass spectrometry, and HPLC techniques. It was proved that the zeta potential is a fast and simple measurement to know the adsorption behavior of sufonato calixarnes on calcite. The chemisorption of p-sulfonato-calix[n]arene was confirmed by shift in iso electric point, adsorption studies and FTIR. The calculated free energy of adsorption value and its sign suggests the chemical interaction between the calcite surface and p-sulfonato calix[4]and[8]arene.

Item Type:Article
Official URL/DOI:DOI: 10.1080/01932691.2010.516133
Uncontrolled Keywords:Chemisorption, calixarenes,zeta potential, calcite, adsorption
Divisions:NML Chennai > Mineral Processing
ID Code:4298
Deposited By:Dr. G Bhaskar Raju
Deposited On:18 Nov 2011 10:14
Last Modified:18 Nov 2011 10:15
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