Speciation of copper, lead and cadmium in aquatic systems by circulating dialysis combined with flame AAS

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Authors	NOVOTNÝ Karel KOMÁREK Josef
Year of publication	2000
Type	Article in Periodical
Magazine / Source	Fresenius Journal of Analytical Chemistry
MU Faculty or unit	Faculty of Science
Citation
Field	Analytic chemistry
Keywords	speciation; dialysis; flame AAS
Description	The assessment of free Cu(II), Pb(II) and Cd(II) ions in the presence of complexed species was realised by a circulating dialysis with Cuprophan planar membranes and subsequent quantification by flame atomic absorption spectrometry. The effect of the flow rate, the time of equilibration, pH and the presence of various complexing agents in the donor solutions were studied. The determination of free Cu(II), Pb(II) and Cd(II) ions in the presence of soil humic substances resulted from the studies.
Related projects:	Structure and character of bonding, properties and analysis of synthetic and natural molecular ensembles