1. MEDIATED ANODIC OXIDATION OF TOLUENE WITH THE CE(IV)/CE(III) SYSTEM IN SULPHURIC ACID MEDIUM. Authors: LIVIU ONICIU, CLAUDIA GEMMA MUREŞANU, CRISTINA G. BUCŞA.2. SYSTEM NON-LINEARITY COMPENSATION BY MEANS OF NON-LINEAR ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY. Authors: ADRIAN NICOARǍ, LIVIU ONICIU.3. PARTICULATE BED CATHODE FOR COPPER ION REMOVAL FROM WASTE WATERS. Authors: ANCA MIHAELA MIHAI, LIVIU ONICIU.4. PARTICULATE BED CATHODE FOR COPPER ION REMOVAL FROM WASTEWATERS. PART II: A CORRELATION BETWEEN COPPER RECOVERY, CURRENT EFFICIENCY AND ENERGY CONSUMPTION. Authors: ANCA MIHAELA MIHAI, LIVIU ONICIU.5. AMPEROMETRIC STUDY OF THE INHIBITORY EFFECT OF BENZOIC ACID ON A TYROSINASE-MODIFIED PLATINUM ELECTRODE. Authors: SARMIZA ELENA STANCA, IONEL CĂTĂLIN POPESCU, LIVIU ONICIU.6. BIOSENSORS FOR PHENOL DERIVATIVES USING ELECTROCHEMICAL AND BIOCHEMICAL SIGNAL AMPLIFICATION. Authors: SARMIZA ELENA STANCA, IONEL CĂTĂLIN POPESCU, LIVIU ONICIU.7. BIOELECTRODE BASED ON TYROSINASE ENTRAPMENT IN ELECTROPOLYMERIZED MATRIX FOR AMPEROMETRIC DETECTION OF PHENOLIC COMPOUNDS. Authors: SARMIZA ELENA STANCA, IONEL CĂTĂLIN POPESCU, LIVIU ONICIU.8. LEACHING OF CHALCOPYRITE CONCENTRATE WITH SULPHURIC ACID IN ABSENCE AND PRESENCE OF OXIDIZING AGENTS. Authors: CAMELIA LUMINITA VARGA, LIVIU ONICIU.9. LEACHING OF LOW-GRADE CHALCOCITE-COVELLITE-CHALCOPYRITE ORE WITH SULPHURIC ACID. THE INFLUENCE OF THE OXIDIZING AGENTS ON THE KINETICS OF COPPER LEACHING. Authors: CAMELIA LUMINITA VARGA, LIVIU ONICIU, IOAN BÂLDEA.10. L''INFLUENCE DU MATERIAU CATHODIQUE ET DE LA COMPOSITION DE L''ELECTROLYTE SUR LELECTRODEPOSITION DU MANGANESE DES SOLUTIONS AQUEUSES DE MNSO4. COURBES DES POLARISATIONS SUR L''ELECTRODE DISQUE TOURNANTE. Authors: PETRU ILEA, PAUL TISSOT, LIVIU ONICIU.