Affiliation: | 1. Department of Chemistry , Nagaland University , Lumani , India , 798601;2. ANPA , Italian National Agency for Environmental Protection , Via V. Brancati 48, Roma , Italy , 00144;3. Arunachal University , Rono Hills, Itanagar , India , 791 111;4. Hahn-Meitner Institute , Glienicker Strasse 100, Berlin , Germany , D-14109 |