1. Institute
of Chemistry, Faculty
of Natural Sciences and Mathematics, “Ss Cyril and Methodius” University, P.O. Box 162, 1000
Skopje, Republic of Macedonia
2. Department of Chemistry, Physical
and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, United Kingdom
3. Department of Instrumental Analysis, University of Lodz, Pomorska 163, 90-236 Lodz, Poland