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Radiochimica Acta

International Journal for chemical aspects of nuclear science and technology

Editor-in-Chief: Qaim, Syed M.

12 Issues per year


IMPACT FACTOR 2017: 1.202

CiteScore 2017: 1.22

SCImago Journal Rank (SJR) 2017: 0.409
Source Normalized Impact per Paper (SNIP) 2017: 0.869

Online
ISSN
2193-3405
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Volume 96, Issue 2

Issues

Electrodeposition methods in superheavy element chemistry

H. Hummrich / N. L. Banik / M. Breckheimer / W. Brüchle / R. Buda / F. Feist / E. Jäger / Jens Volker Kratz / B. Kuczewski / D. Liebe / L. Niewisch / M. Schädel / B. Schausten / E. Schimpf / N. Wiehl
Published Online: 2009-09-25 | DOI: https://doi.org/10.1524/ract.2008.1473

Summary

To prepare electrodeposition experiments with superheavy elements (SHE), their homologs were investigated. In the experiments, various electrode materials and electrolytes were used. Critical potentials (Ecrit) where the electrodeposition starts and potentials for the deposition of 50% of the atoms in solution (E50%) were determined. Underpotential deposition was observed in most cases. An electrolytic cell for a fast electrochemical deposition was developed and the time for the deposition of 50% of the atoms in solution (t50%) was determined. Short lived α-emitting isotopes were produced at Gesellschaft für Schwerionenforschung (GSI), Darmstadt, transferred to the aqueous phase with ALOHA (Automated Liquid Online Heavy element Apparatus), transported to an electrolytic cell and deposited on a palladinated Ni tape. It was shown that the coupling of devices for collection, electrodeposition, and α-spectroscopy is feasible and might be of great use in SHE chemistry.

Keywords: Electrodeposition; Underpotential deposition; Critical potentials; Kinetics; Superheavy element chemistry

About the article

Received: 2007-07-04

Accepted: 2007-10-10

Published Online: 2009-09-25

Published in Print: 2008-02-01


Citation Information: Radiochimica Acta, Volume 96, Issue 2, Pages 73–83, ISSN (Print) 0033-8230, DOI: https://doi.org/10.1524/ract.2008.1473.

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