J. Serb. Chem. Soc. Vol. 75, No. 7 (2010)

CONTENTS Organic Chemistry, Biochemistry and Biotechnology J. Wang, D. , H. Zhao, B. Jiang, J. Wang, X. , H. Chai and P. : Dis- crimination and classification of tobacco wastes by identification and quantification of polyphenols with LC–MS/MS ...... 875 M. Djurendić-Brenesel, N. Ajduković, K. Štajnic-Ristić, V. Pilija and I. Veselinović: Δ9- -Tetrahydrocannabinol content in cannabis samples seized in Novi Sad during 2008 ... 893 R. Gevrenova: Determination of natural colorants in plant extracts by high-performance liquid chromatography ...... 903 Inorganic Chemistry K. Singh and D. Pal: Synthetic, structural and biological studies of organosilicon(IV) complexes of Schiff bases derived from pyrrole-2-carboxaldehyde ...... 917 I. Khosravi and M. Yazdanbakhsh: Preparation and characterization of novel oxo-cen- tered basic p-chlorobenzoic bridging trinuclear complexes ...... 929 S. Chandra, M. Tyagi and S. Agarwal: Synthesis and characterization of a tetraaza mac- rocyclic ligand and its cobalt(II), nickel(II) and copper(II) complexes ...... 935 Theoretical Chemistry S. Jeremić, S. Radenković and I. Gutman: Cyclic conjugation in benzo-annelated tri- phenylenes ...... 943 Physical Chemistry A. Magda, R. Pode, C. Muntean, M. Medeleanu and A. Popa: Synthesis and characte- rization of ammonium phosphate fertilizers with boron ...... 951 S. P. Jovanović, Z. M. Marković, D. N. Kleut, V. D. Trajković, B. S. Babić-Stojić, M. D. Dramićanin and B. M. Todorović Marković: Singlet oxygen generation by higher fullerene-based colloids ...... 965 Analytical Chemistry D. M. Milenović and Z. B.Todorović: Development and application of a validated HPLC method for the analysis of dissolution samples of mexiletine hydrochloride capsules .... 975 Polymers Y. , L. Wang, X. Tuo, S. and W. : A study on the microstructure of a nitrate ester plasticized polyether propellant dissolved in HCl and KOH solutions ...... 987 Thermodynamics J. D. Jovanović and D. K. Grozdanić: Reliable prediction of heat of vaporization of n- alkanes at 298.15 K (Note) ...... 997 Environmental Dj. Petrović, M. Todorović, D. Manojlović and V. D. Krsmanović: A simulation experi- ment as a method for the investigation of the mobility of heavy metals from inundated land ...... 1005 Published by the Serbian Chemical Society Karnegijeva 4/III, 11000 Belgrade, Serbia Printed by the Faculty of Technology and Metallurgy Karnegijeva 4, P.O. Box 35-03, 11120 Belgrade, Serbia

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