Vol. 31 No. 1 (2012)

• Letter from the Editor

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Theoretical Chemistry

• Phenyl-cyclopentadienyl rule

  Jelena Đurđević, Ivan Gutman

  1-15

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Analytical Chemistry

• Simultaneous determination of acesulfame-K, aspartame and stevioside in sweetener blends by ultraviolet spectroscopy with variable selection by sipls algorithm

  Yang-Chun He, Sheng Fang, Xue-Jiao Xu

  17-28

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• Analytical application of acidic victoria blue 4R mixture with KBrO₃ for the kinetic determination of traces of antimony(III) by spectrophotometry

  Violeta Mitić, Snežana Nikolić-Mandić, Vesna Stankov-Jovanović

  29-37

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• RP-HPLC-DAD method for simultaneous determination of desmedipham, phenmedipham and ethofumesate in a pesticide formulation

  Lenče Velkoska-Markovska, Biljana Petanovska-Ilievska, Lila Vodeb

  39-46

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• Optimization of hydrophilic interaction liquid chromatographic method for simultaneous determination of cetylpyridinium chloride and benzocaine in lozenges

  Natalija Nakov, Jelena Acevska, Katerina Brezovska, Rumenka Petkovska, Aneta Dimitrovska

  47-54

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Organic Chemistry

• Ceric ammonium nitrate and manganese(III) acetate mediated radical oxidation and addition reactions of anthracene and 9-substituted anthracenes

  Mustafa Zengin, Faith Sonmez, Mustafa Arslan, Mustafa Kucukislamoglu

  55-63

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Natural Products

• Characterization of the seed and seed extracts of the pumpkins Cucurbita maxima D. and Cucurbita pepo l. from Macedonia

  Marija Srbinoska, Nataša Hrabovski, Vesna Rafajlovska, Snežana Sinadinović-Fišer

  65-78

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Polymers

• Thermal and optical properties of new poly(amide-imide)-nanocomposite reinforced by layer silicate based on chiral n-trimellitylimido-L-valine

  Khalil Faghihi, Masoumeh Soleimani, Shabnam Nezami, Meisam Shabanian

  79-87

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Spectroscopy

• Solvatochromism studies on UV spectra of 4,5-disubstituted-1,2,4-triazoline-3-thiones

  Vesna B. Dimova, Nada U. Perišić-Janjić

  89-100

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Chemical Engineering

• Study of the mechanism of nitrophenols sorption on expanded perlite ‒ equilibrium and kinetics modelling

  Zvezdana Yaneva, Bogdana Koumanova, Nedyalka Georgieva

  101-114

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Pharmaceutical Engineering

• Microencapsulation of Lactobacillus casei in chitosan-Ca-alginate microparticles using spray-drying method

  Tanja Petreska Ivanovska, Lidija Petruševska-Tozi, Margita Dabevska Kostoska, Nikola Geškovski, Anita Grozdanov, Chris Stain, Trajče Stafilov, Kristina Mladenovska

  115-123

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News

• News

  E Editors

  125-135