Trace metals distribution and chemical behaviour in a coastal marine area affected by industrial pollution CNW Saronicos Gulf
Abstract
The main objectives of this thesis were: α) to investigate the levels and behaviour of heavy metals in the marine environment of the NW Saronikos gulf, where industrial activity, coastal towns and a unique geological background (NW edge of the Hellenic volcanic arc) are combined and b) to assess the impact of the coastal industries emphasizing on the oil refinery ‘’MOTOR OIL HELLAS’’. After extended bibliographic search 8 seasonal samplings were conducted (2006-2007) in 16 stations of various depths using equipment of the laboratory of environmental chemistry and boats supplied mainly by ‘’MOTOR OIL HELLAS’’. The heavy metals Al, Cd, Cr, Cu, Fe, Mn, Ni, Pb, V, Zn were determined in seawater, sediment and processed effluent samples using standard and published methods that included various pre-concentration techniques and final measurement with atomic absorption spectrometry. The methods were validated in order to estimate the limits of detection, repeatability and accuracy. The data of ...
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