1. Department of Chemical EngineeringFederal University of São Carlos Rod. Washington Luis s/n, km 235, P.O. Box 676 13565-905 São Carlos-SP Brazil
2. Department of ChemistryFederal University of São Carlos Rod. Washington Luis s/n, km 235, P.O. Box 676 13565-905 São Carlos-SP Brazil
3. Institute of ChemistryCampinas State University Rod. Washington Luis s/n, km 235, P.O. Box 676 13565-905 São Carlos-SP Brazil