No 6, Juin 2007

Tome 52, No 6, Juin 2007

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1. Mariana ALBULESCU and Marinela POPOVICI

Isoflavones – biochemistry, pharmacology and therapeutic use

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Key words: isoflavone, phytoestrogens, daidzein, genistein, equol

2. Laura ORIAN

A DFT investigation of the structural and electronic properties of Co(I) and Rh(I) half-sandwich complexes with heteroaromatic π ligands

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Key words: DFT calculations, cobalt, rhodium, heteroaromatic π ligands, alkyne cyclotrimerization

3. George BRĂTULESCU

Préparation des hydrazonates à partir des orthoesters et phénylhydrazine
Preparation of hydrazonates from orthoesters and phenylhydrazine

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Key words: hydrazonates, alumine, micro-ondes, spectres IR

4. Adina Magdalena MUSUC, Crisan POPESCU, Domnina RAZUS and Dumitru OANCEA

Non-isothermal kinetic analysis of thermal decomposition of 2,4-dinitrophenylhydrazine

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Key words: thermal decomposition; 2, 4 – dinitrophenylhydrazine; non -isothermal kinetic analysis; multi – step reaction

5. Adriana PĂTRU, Ion BIBICU, Mihaela FLOROIU, Mircea PREDA and Bogdan TUTUNARU

A study on the inhibition of carbon steel corrosion in an 1M HCl solution by using ammonium polymolibdate (APM)

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Key words: carbon steel, corrosion, inhibition, Mössbauer spectrometry, ammonium polymolibdate

6. Dan DRAGU and Mihai BUDA

Basic discretisation techniques used in cyclic voltammetry numerical simulations. Comparisons and practical aspects

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Key words: digital simulation, cyclic voltammetry, discretisation

7. Viorel BRÂNZOI, Alina PRUNĂ and Florina BRÂNZOI

The effect of some organic surfactans on the corrosion of zinc in neutral and alkaline aqueous solutions

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Key words: hydrogen overvoltage, surfactants, inhibitive action, corrosion process, dissolution kinetics

8. Doina DRĂGAN, Simona CUCU-MAN, Raluca MOCANU and Adrian COVACI

Accelerated solvent extraction method for the determination of polychlorinated biphenyls and organochlorine pesticides in soil

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Key words: accelerated solvent extraction, organochlorine pesticides, polychlorinated biphenyls, soil

9. Florentin TACHE and Monica ALBU

Specificity of an analytical HPLC assay method of metformin hydrochloride

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Key words: specificity, selectivity, Metformin, photolysis, photolytichydrolysis, acidic/alkaline hydrolysis, oxidation, thermal degradation

10. J. KARTHIKEYAN, P. PARAMESHWARA, A. NITYANANDA SHETTY and Prakash SHETTY

Thioacetamide as a releasing agent for the complexometric determination of thallium(III) in its synthetic alloys and complexes

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Key words: EDTA, thallium determination, thioacetamide, complexometric method

No 5, Mai 2007

Tome 52, No 5, Mai 2007

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1. Vasile DINOIU

Chemical fluorination of organic compounds

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Key words: fluorine, electrochemical partial fluorination, perfluorination

2. George BRĂTULESCU

Synthèse des dérivés cycliques du 4,5-benzo- 1,3,2-diazaphosphole
Synthesis of 4,5-benzo-1,3,2-diazaphosphole cyclo-derivatives

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Key words: 4,5-benzo-1,3,2-diazaphospholes, micro-ondes, RMN

3. Romuald BERTHET, Amar ZERROUKHI, Gérald BRUN, Teodora ZECHERU and Corneliu CINCU

Synthesis and optical properties analysis of a new polymeric optical fiber for side lighting

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Key words: plastic fibre, radical polymerization, light scattering, acrylate monomer

4. Mihaela Ligia UNGUREŞAN and Gavril NIAC

Composition of the intermediate of the fast interaction between copper(II) and thiosulfate ions in aqueous solutionie
Synthesis of new N-acylphenothiazinic derivatives with potential activity in chemotherapy

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Key words: fast redox reaction, copper ions, thiocompounds, stopped-flow technique, Job’s method

5. Viorica MELTZER and Gabriela CRISTESCU

Thermodynamic study and structuremesomorphism correlation for new sitosteryl benzoate compounds

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Key words: polymorphism, DSC, thermomicroscopy, liquid crystal, sitosteryl benzoate compounds

6. Gabriela Elena BADEA

Autocatalytic reduction of iodate at the platinum electrode in 0.5 M H2SO4 solutions

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Key words: iodate, reduction, platinum electrode, polarisation curves

7. Iulia SORA, Toma GALAON, Victor DAVID and Andrei MEDVEDOVICI

Determination of nimesulide and its active metabolite in plasma samples based on solvent deproteinization and HPLC-DAD analysis

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Key words: liquid chromatography, nimesulide; 4’-hydroxy-nimesulide, human plasma, protein precipitation with acetonitrile, bioavailability

8. Magdalena DIANU and Corneliu PODINĂ

The safety of environment in final disposal of Ultima Gold scintillation liquid cocktail used for determination of the radioactive content in various samples at Cernavoda Nuclear Power Plant

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Key words: scintillation, tritium, cementation, waste

9. Margarita GABROVSKA, Rumeana EDREVA-KARDJIEVA, Verislav ANGELOV, Dorel CRIŞAN,
Gabriel MUNTEANU and Jacques VÉDRINE

Mg-Al and Mg-In oxide compounds as catalyst components for the oxidative dehydrogenation of propane. Part I. Preparation and characterization of the as-synthesized materials

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Key words: co-precipitation and evaporation, Mg-Al and Mg-In hydrotalcitelike materials, XRD, IR

10. Margarita GABROVSKA, Rumeana EDREVA-KARDJIEVA, Verislav ANGELOV, Dorel CRIŞAN and
Jean-Marc M. MILLET

Mg-Al and Mg-In oxide compounds as catalyst components for the oxidative dehydrogenation of propane. Part II. Characterization of the calcined materials

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Key words: Mg-Al and Mg-In oxide compounds, DTA-TG, XRD, IR