1. Department
of Chemistry, The American University in Cairo, New Cairo 11835, Egypt
2. Laboratory
of Separation and Reaction Engineering (LSRE), Associate Laboratory
LSRE/LCM, Polytechnic Institute of Bragança, Campus of Santa Apolonia, 5300-253 Bragança, Portugal
3. Laboratory
of Separation and Reaction Engineering, Department of Chemical Engineering,
Faculty of Engineering, University of Porto, Porto 4200-465, Portugal
4. Centre
for Analytical Science, Department of Chemistry, Loughborough University, Loughborough, Leicestershire LE11 3TU, U.K.