No 11, Novembre 2007

Tome 52, No 11, Novembre 2007

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1. Ileana DRĂGUŢAN, Valerian DRĂGUŢAN, Lionel DELAUDE, Albert DEMONCEANU and Alfred F. NOELS

N-heterocyclic carbene ruthenium complexes: synthesis and catalytic properties

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Key words: ruthenium complexes, N-heterocyclic carbenes, homogeneous precatalysts, olefin metathesis, cyclopropanation

2. Nenad Dj. LAZAROV, Vojislav SPASOJEVIĆ, Vladimir M. MATIĆ, Vladan KUSIGERSKI and
Maurice GUILLOT

Magnetic properties of asymmetric Co(II) dimer at low temperatures

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Key words: transition metal complex, exchange and superexchange, ising model, high field magnetization

3. Elena-Mihaela SEFTEL, Eveline POPOVICI, Vasile PODE and Geza BANDUR

Synthesis, characterization and thermal behavior of hydrotalcite-type MgxZnxAl

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Key words: hydrotalcite-type MgxZnyAl; XRD patterns; FTIR spectra; UV DR spectra; thermal analysis

4. Mihaela PUIU, Adina RĂDUCAN and Dumitru OANCEA

Kinetics of copper(II) catalyzed oxidation of 2-aminophenol in a continuous stirred tank reactor

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Key words: acrylamide, crosslinking polymer, simultaneous polymerization/crosslinking, swelling degree

10. Liviu Cosmin COTEŢ, Virginia DANCIU, Veronica COŞOVEANU, Ionel Cătălin POPESCU, Anna ROIG and Elies MOLINS

Synthesis of meso- and macroporous carbon aerogels

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Key words: carbon aerogels, sol-gel processing, meso-macrostructures

11. Beatrice VLAD-OROS, Monica DRAGOMIRESCU, Gabriela PREDA, Francisc PETER and Adrian CHIRIAC

Characterization of silica-based biomaterials containing microbial amylases

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Key words: microbial amylases, sol-gel, tetrathoxysilane, methyltriethoxysilane, phenyltriethoxysilane

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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