A Chemical-Medical Mystery: Gold Jewelry and Black Marks on Skin

Barbara B. Kebbekus
Department of Chemical Engineering, Chemistry, and Environmental Science, New Jersey Institute of Technology, Newark, NJ 07102
J. Chem. Educ., 2000, 77 (10), p 1298
DOI: 10.1021/ed077p1298
Publication Date (Web): October 1, 2000
History, Education, and Documentation

Abstract

Gold jewelry at times makes a black mark or smudge on skin. This may be caused by abrasive powders on the skin (e.g. zinc oxide) but the phenomenon may also be caused by other skin conditions, possibly the presence of chloride ion, acidity, or sulfur-containing amino acids. Some anecdotal evidence is published, but properly designed studies to clarify the actual causes are not available.

Keywords (Audience):

General Public

Keywords (Domain):

Inorganic Chemistry

Keywords (Feature):

Applications and Analogies

Keywords (Subject):

Bioorganic Chemistry
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  • Received: August 03, 2009

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