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Anodic stripping voltammetry of copper and bismuth

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Summary

Microgram and nanogram quantities of copper and bismuth are electrodeposited on a glassy carbon electrode from 10M hydro-fluoric-1M nitric acid solutions. The deposit is then anodically removed in 0.1M perchloric acid or 0.1–12M hydrochloric acid, a current-voltage curve being recorded. Copper and bismuth at p. p. b. levels in sponge zirconium are determined by this technique with 5 M hydrochloric acid as stripping electrolyte within 3 hours.

Zusammenfassung

Mikrogramm- und Nanogrammengen Kupfer und Wismut wurden aus 10-m flußsauren, 1-m salpetersauren Lösungen elektrolytisch an einer Glas- kohleelektrode abgeschieden und nachher in 0,1-m Perchlorsäure oder 0,1-bis 12-m Salzsäure anodisch gelöst, wobei eine Stromspannungskurve aufgezeichnet wurde. Auf diese Art wurden ppb-Mengen Kupfer und Wismut innerhalb 3 Stunden in Zirkoniumschwamm unter Verwendung von 5-m Salzsäure als Elektrolyt bei der anodischen Auflösung bestimmt.

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Mizuike, A., Miwa, T. & Fujii, Y. Anodic stripping voltammetry of copper and bismuth. Mikrochim Acta 63, 125–131 (1975). https://doi.org/10.1007/BF01271529

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  • DOI: https://doi.org/10.1007/BF01271529

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