Determination of gold by electrothermal atomic absorption spectrometry after electrodeposition on a graphite tube

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Authors

KOMÁREK Josef HOUSEROVÁ Pavlína

Year of publication 2003
Type Article in Periodical
Magazine / Source Spectrochimica Acta Part B: Atomic Spectroscopy
MU Faculty or unit

Faculty of Science

Citation
Field Analytic chemistry
Keywords Electrothermal atomic absorption spectrometry; gold; electrodeposition
Description The inner wall of graphite tube served as the surface for the adsorptive accumulation and for the electrodeposition of gold from the solution. A flow-through cell was constructed. After the deposition step, the graphite tube was placed into the graphite furnace and an atomization programme was applied. As the working electrode served pyrolytic graphite coated tube, uncoated electrographite tube and tube covered by elemental palladium. This palladium surface was achieved by electrodeposition of palladium prior to gold deposition. The procedure with electrodeposition on palladium surface was applied to the determination of gold in river waters.
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