Divalent metal ions preconcentration by Donnan dialysis for flame AAS

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Authors	NOVOTNÝ Karel KOPEČNÁ Lenka KOMÁREK Josef
Year of publication	2005
Type	Article in Proceedings
Conference	Colloquium Analytische Atomspektroskopie - CANAS 05
MU Faculty or unit	Faculty of Science
Citation
Field	Analytic chemistry
Keywords	preconcentration; Donnan dialysis; FAAS; divalent metal ions
Description	A preconcentration system based on Donnan dialysis with a capillary cation exchange Nafion membrane was used for preconcentration of divalent metal ions (Cu2+, Cd2+ and Mn2+). In off-line arrangement of Donnan dialysis, capillary membrane Nafion was coiled around a holder made of glass rods and was immersed into donor solution, which was placed in a beaker.After dialysis, contents of metal ions in the acceptor solution were determined by flame AAS.
Related projects:	Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)