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Comparative study of physical indicators and those of their regime of oxygen, on water quality of the Great ùomuzu River, in the year 2009

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Author(s): Cristina Maxim | Constantin Filote | Dumitru Cojocaru

Journal: Analele Ştiinţifice Ale Universităţii Alexandru Ioan Cuza din Iași,Sectiunea II A : Genetica si Biologie Moleculara
ISSN 1582-3571

Volume: 12;
Issue: 1;
Date: 2010;
Original page

ABSTRACT
Water quality is an organic component of the system and economic management of water sources. The experimental data analyzed in this paper are part of a broader study on the assessment of water pollution in the upper basin of the Siret River and refers to the dynamics of physico-chemical and biochemical parameters, of ùomuzu Great River, a tributary of the Siret from Suceava County. To do this, were collected every two months, samples of river water ùomuz from two different locations, from Dolhesti and Vorniceni, located 43 km apart. Water Sampling was done according to standards. There were included in the main study physico-chemical quality, according to current regulations, PH - The concentration of dissolved oxygen, biochemical oxygen demand (BOD5) and chemical oxygen demand. Determinations and titrimetric methods are generally Spectophotometric. Determination of pH was done with a Seven Easy pH meter, which operates on the basis of electrochemical methods, and dissolved oxygen content was determined experimentally using electrochemical probe method Based on data from water quality was monitored and were found to match the physical and chemical quality indicators. The results allowed a characterization of water chemistry and establishing relationships with the natural factors, such as, fluid flow and temperature. It can be concluded therefore that both the anthropogenic and natural factors can influence the general indicators describing the water chemistry.
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