1. Department of Analytical and Organic Chemistry; Universitat Rovira i Virgili; C/Marcel · lí Domingo s/n 43007 Tarragona Spain
2. Department of Mechanical Engineering; Universitat Rovira i Virgili; C/Països Catalans, 26 43007 Tarragona Spain
3. Thermodynamics Laboratory; ETSEIB Universitat Politècnica de Catalunya; Av. Diagonal 647 08028 Barcelona Spain