
doi: 10.1007/bf01271529
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.
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