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Article
Trace Metals in Water Samples Taken from Azerbaijan Sector of Caspian Sea
Author(s)
Famil Yusif Humbatov*, Majid Mirza Ahmadov, Valeh Saleh Balayev and Bahruz Allahverdi Suleymanov
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DOI:10.17265/1934-7375/2015.04.007
Affiliation(s)
Institute of Radiation Problems, National Academy of Science of Azerbaijan, H. Cavid av-e Az 1143, Azerbaijan
ABSTRACT
The present study was conducted to investigate the heavy metal contents (As, Ba, Cd, Co, Cr, Cu, Ga, Mo, Mn, Rb, Pb, Cu, Ni, V, U and Zn) in seawater samples, which were collected at two c (5 and 100 m), from 9 different sites of Azerbaijan sector of the Caspian Sea. The Agilent 7700x Series ICP-MS (inductively coupled plasma mass spectrometry) with HMI (high matrix introduction) system applied to analysis seawater. It was shown, the average concentrations of elements as Cr, Co, Cu, Mn, Pb and Zn in surface water slightly higher than their concentrations in depth water at 100 m. Practically it is not deference of the Mo, Rb and U average concentrations in surface and 100 m depth column water. There was little variation observed for nickel and vanadium. In contrast the concentrations of As, Ga and Ba in samples taken from 100 m, were significantly higher than the concentration in surface samples. Dependence concentration of elements from water columns depth can be explained in accordance with the geochemical system of classification of dissolved forms of elements in the sea water.
KEYWORDS
Heavy metals, Caspian Sea, ICP-MS, polution.
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