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Municipality of Cluj-Napoca – The Quality of Wastewaters. Note 1. Monitoring Disolved Oxygen

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Author(s): ODAGIU Antonia

Journal: Proenvironment Promediu
ISSN 1844-6698

Volume: 3;
Issue: 5;
Start page: 78;
Date: 2010;
Original page

Keywords: oxygen deficit | instrumental analyze | amperometry

ABSTRACT
The results of monitoring the disolved oxygen from municipal wastewater collected from the Cluj – Napocachannels network are presented in this paper. Monitoring was performed during one year and five months. The watersamples were harvested from three distinct areas of the same municipal collection channel (Canalul Morii – Mărăstiquarter, Canalul Morii - Parcul Mare and Pârâul Popii – inside of the University of Agricultural Sciences and VeterinaryMedicine Cluj – Napoca). The samples were instumentally analyzed (amperometry) and statistical processed withSTATISTICA v. 7.0. During entire experimental time interval, values that did not exceed the established limits fordisolved oxygen in water were recorded. An average of 4.50 mg/L was obtained by entire experimental time intervalwith a maxim of 4.92 mg/L and a minim of 4.23 mg/L.
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