1. Laboratory of Inorganic & Analytical Chemistry, School of Chemical Engineering, Dept 1, Chemical Sciences; National Technical University of Athens; 9 Iroon Polytechniou St. Athens 157 80 Greece
2. Laboratory of Simulation of Industrial Processes, Department of Industrial Management and Technology, School of Maritime and Industry; University of Piraeus
3. Laboratory of Environmental Chemistry, Department of Chemistry; University of Athens; Panepistimiopolis-Kouponia GR- 15771 Athens