1. Department of NBC and Environmental Protection, Miklós Zrínyi University of National Defense, H-1101 Budapest, Hungária krt. 9-11, Hungary, Division of Chemical Information Technology, Technical University of Budapest, H-1111 Budapest, Gellért tér 4, Hungary, and Laboratory of Physical Chemistry and Colloid Science, Wageningen Agricultural University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands