NDLI: Plating of iridium for use as high purity electrodes in the assay of ultrapure copper

Content Provider	Springer Nature Link
Author	Mathews, Martin LaFerriere, B. D. Pederson, L. R. Hoppe, E. W.
Copyright Year	2016
Abstract	Fabrication of high-purity iridium electrodes using electrochemical deposition was performed to produce anodes used to assay ultrapure copper for extremely low uranium and thorium contamination primarily in support of the Majorana collaboration. High-purity iridium was deposited using a low current density under a constant voltage to produce a smooth film over a micron thick. The current efficiency was 23 % using an electrolyte of 40 mM IrCl$_{3}$·4H$_{2}$O, and H$_{2}$SO$_{4}$ employing polished iridium wires as electrodes at an elevated temperature of 80 °C. The electrodes can be converted to iridium oxide with different oxidation states by heating them in air for various periods.
Starting Page	2577
Ending Page	2585
Page Count	9
File Format	PDF
ISSN	02365731
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume Number	307
Issue Number	3
e-ISSN	15882780
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-01-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Iridium Electrodeposition Oxidation Copper assay ICPMS Majorana Nuclear Chemistry Physical Chemistry Nuclear Physics, Heavy Ions, Hadrons Diagnostic Radiology Inorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Spectroscopy Pollution Health, Toxicology and Mutagenesis Radiology, Nuclear Medicine and Imaging Analytical Chemistry Public Health, Environmental and Occupational Health Nuclear Energy and Engineering

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