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A Ring-Disk Electrode Study of the Deposition and Stripping of Thin Copper Films at Platinum in Sulfuric Acid

  • University of Minnesota Twin Cities
  • SUNY Buffalo

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

The deposition and stripping of very small amounts of copper from 0.2M H2SO4 has been investigated. Procedures were devised for depositing a known, small amount of copper on the disk of a rotating platinum ring-disk electrode, either by constant current or constant potential electrolysis. During deposition and stripping of copper it was found that a significant amount of Cu(I) can form in 0.2M H2SO4 media. Quantitative agreement was found between the amount of Cu(I) and Cu(II) produced during electrochemical oxidation of a copper-plated platinum disk and the disk oxidation current. Conditions are given for the quantitative deposition and stripping of copper without interference from Cu(I) formation.

Original languageEnglish
Pages (from-to)1637-1640
Number of pages4
JournalAnalytical Chemistry
Volume40
Issue number11
DOIs
StatePublished - Aug 1 1968

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