Facultatea de Chimie şi Tehnologie Chimică / Faculty of Chemistry and Chemical Technology
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Item ASSESSMENT OF KINETIC PARAMETERS IN THE WATERS OF THE NISTRU COURSE IN THE SECTION NASLAVCEA – DUBASARI(2006) Bunduchi, Elena; Duca, Gheorghe; Gladchi, Viorica; Goreaceva, Nelli; Mardari, IgorThe current work represents the results of a monitoring executed on Nistru River waters between October 2003 and September 2005. The water quality was evaluated on the basis of such kinetic indicators as redox state and capacity of inhibition. The obtained results shows that Nistru River water in the segment Naslavcea village – Dubasari barrage are continuously polluted with reducing substances that diminish the H2O2 content, that actually determines the redox state of natural waters and the content of free radicalsItem CHEMICAL COMPOSITION FROM THE DNIESTER RIVER TRIBUTARIES(2013) Gladchi, Viorica; Duca, Gheorghe; Goreaceva, Nelli; Bunduchi, Elena; Lis, AngelaThis article presents the results obtained in the framework of the project 09.832.08.06A The role of the tributaries on formation of the Dniester river water and the study of the waters quality of sources/fountains in the catchment area of the Dniester river as sources of water supply and for irrigation in the State Program, Scientific Researches and of the management of waters quality.Item THE STUDY OF THE BUFFERING CAPACITY OF SEVERAL WATER OBJECTS IN THE REPUBLIC OF MOLDOVA(2009) Lis, Angela; Duca, Gheorghe; Bunduchi, Elena; Gladchi, Viorica; Goreaceva, NelliThe Republic of Moldova is situated among countries with relatively poor water resources, therefore their protection and rational use remains a national problem. Due to its geographic position, the Republic of Moldova is subjected to transboundary pollution. The current work represents the estimation of the buffering capacity on the Dniester River waters and its tributaries between November 2008 and October 2009. Decrease of the buffering capacity in water basins leads to disruption of the normal activity of aquatic biota, by increasing the toxicity in their living environment. On the basis of the results of measurements, suggestions for the improvement of the situation will be made and for enhancing public awareness and public authorities involvement.Item THE STUDY OF REDOX CONDITIONS IN THE DNIESTER RIVER(2008) Gladchi, Viorica; Goreaceva, Nelli; Duca, Gheorghe; Bunduchi, Elena; Romanciuc, Lidia; Mardari, Igor; Borodaev, RuslanThe work presented in the paper discusses the contribution of the Novodnestrovsc water system to the formation of redox conditions in the lower Dniester. The conclusions were drawn on the basis of a long-term protocol of analyses that included the analysis of the oxygen regime, evaluation of the content of hydrogen peroxide,rH2, biological oxygen demand as well as other additional parameters.Item ESTIMATION OF THE NATURAL WATER SELF-PURIFICATION CAPACITY FROM THE KINETIC STANDPOINT(2008) Duca, Gheorghe; Bunduchi, Elena; Gladchi, Viorica; Romanciuc, Lidia; Goreaceva, NelliThe current paper contains a synthesis of the processes of chemical auto-purification that take place in natural waters; examples of mechanisms of such processes occurring with participation of dissolved organic matter, oxidants of the biogeochemical cycle of oxygen and of transition metals including copper and iron are presented. The kinetic indicators of natural water quality are presented as well.Item COMPOZIŢIA CHIMICĂ A APELOR DIN BAZINUL NISTRULUI INFERIOR (ANUL 2015)(CEP USM, 2016) Gladchi, Viorica; Bunduchi, Elena; Goreaceva, NelliItem REDOX TRANSFORMATION PROCESSES OF THE REACTIVE BLUE DYE(Academia de Ştiinţe a Moldovei, 2014-05-28) Bunduchi, Elena; Gladchi, Viorica; Duca, Gheorghe; Goreaceva, Nelly; Lutenco, MariaItem ROLUL ORGANIZAŢIILOR OBŞTEŞTI ÎN EDUCAŢIA ECOLOGICĂ A POPULAŢIEI(Academia de Ştiinţe a Moldovei, 2005) Gladchi, Viorica; Goreaceva, Nelli; Romanciuc, Lidia; Mardari, Iurie; Borodaev, Ruslan; Bunduchi, ElenaItem THE INFLUENCE OF SOME ORGANIC ACIDS ON THE RADICAL SELF-PURIFICATION PROCESS OF THE AQUATIC MEDIUM(Academia de Ştiinţe a Moldovei, 2005) Bunduchi, Elena; Gladchi, VioricaItem MONITORIZAREA ÎN BAZA INDICATORILOR CINETICI A STĂRII UNOR APE NATURALE (a. 2016)(CEP USM, 2017) Bunduchi, Elena; Gladchi, Viorica; Goreaceva, Nelli