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Bulgarian Chemistry and Industry, 74, No 4 (2003) 118–119 CONTENTS FOR VOLUME 74
G. VISSOKOV: Nanoscience and nanotechnology research directions in chemical industries . 1 H.-J. BART, D. KAMENSKI: Modelling the kinetics of the reactive solvent extraction of zinc with ZH. BALGARANOVA, L. PHILLIPOV: Stabilisation of aniline by addition of hydrazine .19 G. N. VASSILEV: Synthesis, chemical structure and growth-regulating activity of 2-fluorenyl methylene hydrazides of some biologically active acids .22 V. SAMICHKOV: On the rheological properties of mixtures of associative polymer and anionic surfactant . 26 P. IVANOVA, I. HAVEZOV, M. KATAYAMA: Chelating resin disk preconcentration as a pretreatment step for inductively coupled plasma mass spectrometric determination of trace elements in sea water .30 T. NEDELTCHEVA, M. ATANASSOVA, J. DIMITROV: Anodic stripping voltammetry of copper in the T. NEDELTCHEVA, M. ATANASSOVA, J. DIMITROV: Adsorptive cathodic stripping voltammetry of copper in the presence of chloride ions .39 L. T. VLAEV, S. D. GENIEVA, E. M. POPOVA: Conductometric titration of nickel(II) in presence of chromium(III), iron(III) and manganese(II), using EDTA as the reagent .45 K. BASAVAIAH, H. C. PRAMEELA: Four simple methods for the determination of famotidine in bulk A. SAHU, B. SRIVASTAVA, D. K. SINGH: Spectrophotometric determination of theophylline and caf- CH. BONEV, G. KADINOV: Infrared spectroscopy and chemisorption measurements of alumina-sup- ported platinum and platinum–lead catalysts .61N. GROVER, S. K. UPADHYAY: Kinetics of palladium(II)-catalysed oxidation of ethylene-diamine tetraacetic acid by alkaline and acidic chloramine-T .67G. GENTSCHEVA, E. IVANOVA, J. JORDANOV, V. PETROVA: Use of atomic spectrometry for the determination of Li, Na, K and Al in novel optical materials based on double alkali-aluminium tungstates .73O. BOZHKOV: Rapid semi-quantitative spot test for beryllium determination in industrial solutions .76K. BASAVAIAH, U. CHANDRASHEKAR, H. C. PRAMEELA: Indirect titrimetric and spectrophoto- metric determination of propranolol hydrochloride using sodium metavanadate .79D. K. SINGH, S. SINGH: Zinc silicate bonded 8-hydroxyquinoline: a chelating sorbent for separation S. B. ILIEV, G. S. GEORGIEV: Dependence of the acceleration of donor–acceptor bulk and emulsion copolymerisation on magnetic field pulsations .91A. A. TZONEVA, V. A. SPASSOV, L. G. LYUTOV, G. S. GEORGIEV: An opposite electrostimulated response of polyzwitterionic aqueous solutions and hydrogels .95I. KRAICHEVA, S. VARBANOV, G. GROZDANOV, CHR. DIMITROV, E. CHRISTOVA, G. BORISOV: Study of the synthesis of phosphorus-containing antibiotic fosfomycin .99N. M. STOYANOV, G. I. IVANOVA, S. MINCHEV: Synthesis of 2-(2-thienyl)-3-hydroxyphenalene- 1-ones and 3-(2-thienylmethylene)-1H,3H-naphtho-[1,8-c,d]-pyran-1-ones .103S. NENKOVA: Fibrous-wood granulated sorbents for elimination of oil pollution.108G. SIMEONOVA, I. VALCHEV, S. NENKOVA, J. GAIDAROV: Developments in ClO bleaching tech- nology for better chemical efficiency and pulp properties .111Forthcoming Events .116Author Index for Volume 74 .117Contents for Volume 74 .118


Analysing mixtures with Curve Resolution: applications of OPA S. Gourvénec , E. Van Gyseghem , Y. Vander Heyden , D. L. Massart ChemoAC, Pharmaceutical Institute, Vrije Universiteit Brussel,Laarbeeklaan 103, B-1090 Brussel, Belgium - email: Orthogonal Projection Approach (OPA) [1,2] is a stepwise approach based on the Gram-


BIOGRAPHICAL SKETCH eRA COMMONS USER NAME TERRYSPEED EDUCATION/TRAINING A. Positions and Honors Positions and Employment Tutor, Senior Tutor, Lecturer, Department of Mathematics, Monash University (Australia) Lecturer, Department of Probability and Statistics, University of Sheffield (U.K.) Associate Professor, Department of Mathematics, University of Western Australia Professor, Depa

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