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Mandoc L.R.,Polytechnic University of Bucharest | Dinu C.,Polytechnic University of Bucharest | Iordache M.,National Research and Development Institute for Industrial Ecology Ramnicu Valcea Subsidiary | Buic G.-O.,Polytechnic University of Bucharest | And 2 more authors.
UPB Scientific Bulletin, Series B: Chemistry and Materials Science | Year: 2015

Studies to apply flow injection-hydride generation with inductively coupled plasma atomic emission spectrometry (FIAS-ICP-OES) have been performed for mercury detection from drinking water. The results obtained by FIAS-ICP-OES method were compared to those obtained using atomic absorption spectroscopy. Source


Iordache M.,National Research and Development Institute for Industrial Ecology Ramnicu Valcea Subsidiary | Popescu L.R.,National Research and Development Institute for Industrial Ecology Ramnicu Valcea Subsidiary | Popescu L.R.,Polytechnic University of Bucharest | Pascu L.F.,National Research and Development Institute for Industrial Ecology Bucharest | Iordache I.,Romanian Institute of Isotopic And Molecular Technology
Revista de Chimie | Year: 2015

The aim of this paper is to assess the heavy metal pollution and ecological risk in sediments of the Jiu River, Romania, upstream and downstream of mining: Vulcan, Lupeni, Uricani, Petrila, Rovinari and Turceni Energy Complexes. Contamination factor (CF), geoaccumulation index (Igeo), pollution load index (PU), Nemerow pollution index (PI), potential ecological risk index (RI), were used to evaluate the quality of the Jiu River sediments. In sediments of the Jiu River there is low environmental risk upstream and downstream of Bumbeşti Jiu, a moderate ecological risk downstream of Petrila, a strong environmental risk downstream of Vulcan Mining, downstream of Uricani, downstream of Livezeni, upstream and downstream of Rovinari Energy Complex and downstream of Turceni Energy Complex, and a strong ecological risk downstream of Lupeni Mining, upstream of Uricani and upstream of Petrila. Source


Iordache M.,National Research and Development Institute for Industrial Ecology Ramnicu Valcea Subsidiary | Popescu L.R.,National Research and Development Institute for Industrial Ecology Ramnicu Valcea Subsidiary | Popescu L.R.,Polytechnic University of Bucharest | Pascu L.F.,National Research and Development Institute for Industrial Ecology Bucharest | And 3 more authors.
Revista de Chimie | Year: 2015

This paper aims to assess the quality of environmental factors, soil and water in the Parang Mountains (Meridional Carpathians). To determine the degree of soil pollution areas: Baile Oləne'ti, Calimanesti-Caciulata, Voineasa, Obarsia Lotrului, Transalpina and Baile Govora, were sampled on two levels deep. To characterize the surface water samples were taken from rivers: Olanesti, Olt, Lotru, Hinta and Govora. In soil samples analyzed, it was found generally insignificant soil pollution with heavy metals (nickel, copper, cadmium, lead, zinc, chromium) and sulfates. There was a significant potential pollution with Total petroleum hydrocarbons (downstream the city Olanesti, 4 km upstream the city Caciulata) and a significant pollution with Total petroleum hydrocarbons (upstream the city Baile Olanesti and 4 km downstream the locality Obarsia Lotrului). In water samples, ammonia had values between 0.1 and 0.63 mg / L, nitrates values between 0.03-2.42 mg / L, nitrites values between 0.03 to 2.48 mg / L, phosphorus values between 0.02 to 1.36mg/L. Also, there was not found a load of inorganic chlorides, calcium, sodium and sulfates and organic load (COD), all indicators complying with the limits of classes 1st and 2nd of quality. Exception did Hinta and Govora creeks that due to the mineral springs in the area had a high inorganic loading. Source

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