Naslov
Speciation studies of copper in the Gulf of Elefsis: The role of macroalgae Ulva rigida
(Speciation studies of copper in the Gulf of Elefsis:the role of macroalgae Ulva rigida)

Autori
Scoullos, Michael ; Plavšić, Marta ; Karavoltsos, Sotiris

Izvornik
Marine Chemistry (0304-4203) 86 (2004); 51-63

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
specijacija metala; bakar; morska voda; kompleksiranje; zelena alga Ulva rigida
(metal speciation; copper; seawater; complexation; green alga Ulva rigida)

Sažetak
The Gulf of Elefsis, situated in the vicinity of Athens, is high productivity area regarding biota. One of the most abundant algae existing there is Ulva rigida.Controlled laboratory simulation experiments, as well as field investigations indicated that copper ion is complexed to high extent with organic substances released by Ulva and other naturally occuring organic ligands. The complexing capacity values of samples collected from different microenvironments within Gulf of Elefsis, determined by electrochemical method of DPASV vary between 0.04 and 0.430uM Cu2+ . The complexing capacities of samples obtained from tanks in which U. rigida has been placed in order to be decomposed showed much higher complexing capacities ( up to 13uM Cu2+).

Izvorni jezik
Engleski

Znanstvena područja
Geologija

POVEZANOST RADA