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Clinical Chemistry 19: 1002-1005, 1973;
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Clinical Chemistry, Vol 19, 1002-1005, Copyright © 1973 by the American Association for Clinical Chemistry

Determination of Gold in Drugs and Serum by Use of Anodic Stripping Voltammetry

G. M. Schmid 1 and G. W. Bolger 1

1 Department of Chemistry, University of Florida, Gainesville, Fla. 32601.

Gold is determined in aqueous gold-containing drug solutions, 8 x 10-8 to 1 x 10-5 mol/liter, and in such drugs in serum, 2 x 10-6 to 1 x 10-5 mol/ liter, by electrodeposition onto a carbon paste electrode at -0.3 V vs. a saturated calomel electrode and subsequent stripping at constant current. Aqueous solutions are prepared for electrodeposition with a ceric perchlorate—hydrogen peroxide treatment. Serum samples are in addition treated with nitric and chloric acids. Variation coefficients are 16 to 2.5%, depending on concentration and deposition time.


Key Words: arthritis treatment • chronopotentiometric detection • drug assay • toxicology

Submitted on May 17, 1973
Accepted on June 4, 1973






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Copyright © 1973 by the American Association for Clinical Chemistry.