ETAAS determination of cadmium with preconcentration using an electrochemical microcell

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Authors	KNÁPEK Jan KOMÁREK Josef KRÁSENSKÝ Pavel
Year of publication	2004
Type	Article in Proceedings
Conference	6th European Furnace Symposium and 11th Solid Sampling Colloquium with Atomic Spectrometry. Book of Abstracts.
MU Faculty or unit	Faculty of Science
Citation
Field	Analytic chemistry
Keywords	atomic absorption spectrometry; electrothermal atomization; electrochemical deposition; cadmium
Description	For the elimination of interferences at determination of cadmium by atomic absorption spectrometry with electrothermal atomization (ETAAS) various separation techniques are frequently used. As a special technique for separation of analyte from the sample can be mentioned electrochemical deposition of analyte on electrodes. Conditions of electrodeposition of cadmium on the graphite working electrode were studied, as well as modifications of this electrode and forms of transport of dissolved deposit into graphite atomizer. Electrodeposition with injection of dissolved deposit into electrothermal atomizer was applied to the determination of cadmium in sea water and urine.
Related projects:	Study of plasmachemical reactions in non-isothermic low pressure plasma and its interaction with the surface of solid substrates