1. VALIDATION OF A METHOD FOR DETERMINATION OF FREE GLYCEROL IN BIODIESEL. Authors: MARIA-ALEXANDRA HOAGHIA, MELINDA KOVACS, MARIN SENILA, OANA CADAR, MIRELA MICLEAN, LACRIMIOARA SENILA.2. CHEMICAL COMPOSITION OF SOME ROMANIAN BOTTLED NATURAL MINERAL WATERS. Authors: ELFRIDA MARIA CARSTEA, CLAUDIU TANASELIA, MIRELA MICLEAN, MARIN SENILA, MARIA-ALEXANDRA HOAGHIA, ERIKA ANDREA LEVEI.3. ACCUMULATION OF HEAVY METALS IN PLANTAGO MAJOR GROWN IN URBAN AND POST-INDUSTRIAL AREAS. Authors: ALEXANDRU OZUNU, MARIA-ALEXANDRA HOAGHIA, ENIKO KOVACS, LEVENTE LEVEI.4. METHOD VALIDATION FOR THE DETERMINATION OF EXCHANGEABLE CATIONS IN NATURAL ZEOLITES USING INDUCTIVELY COUPLED PLASMA OPTICAL EMISSION SPECTROMETRY. Authors: MARIN SENILA, OANA CADAR, MARIA-ALEXANDRA HOAGHIA, ZAMFIRA DINCA, LACRIMIOARA SENILA, IOAN ASCHILEAN, CECILIA ROMAN.5. ACTIVATED NATURAL ZEOLITES FOR PETROLEUM HYDROCARBONS ADSORPTION. Authors: MARIA-ALEXANDRA HOAGHIA, IOAN ASCHILEAN, VANDA BABALAU-FUSS, ANCA BECZE, OANA CADAR, CECILIA ROMAN, MARIUS ROMAN, MARIN SENILA, ENIKO KOVACS.6. PHYSICO-CHEMICAL CHARACTERIZATION OF WATER WELLS FROM REMETI, MARAMURES. Authors: THOMAS DIPPONG, CRISTINA MIHALI, OANA MARE ROSCA, MONICA MARIAN, MARIA MAGDALENA PAYER, MARCEL ȚÎBÎRNAC, SEBASTIAN BUD, GEORGE COMAN, ENIKO KOVACS, MARIA-ALEXANDRA HOAGHIA.7. NUTRIENT AND ORGANIC MATTER REMOVAL FROM CHICKEN MANURE LEACHATE USING CHLORELLA SPP. . Authors: ZAMFIRA DINCA, MARIA-ALEXANDRA HOAGHIA, ANAMARIA IULIA TÖRÖK, ENIKO KOVACS, OANA CADAR, EMILIA NEAG, CECILIA ROMAN.8. SUBMICRON AIRBORNE DUST PARTICLE MONITORING SYSTEM. Authors: CECILIA ROMAN, MARIUS ROMAN, LUCIAN DORDAI, ENIKO KOVACS, MARIA-ALEXANDRA HOAGHIA, FERENC PUSKAS.