Recovery of Secondary Gold

  • J. C. Yannopoulos


The cleanest kinds of precious metal scrap are old jewelry, metal parts of old dentures, and the dust and bits produced in the manufacture of jewelry or dentures. Old jewelry may be made of sterling1 silver, carat2 gold (alloyed gold), or of base metals plated with gold. Dentists often use high-quality gold, platinum, or alloys of gold with platinum, silver, and/or copper.


Gold Alloy Gold Content Gravity Separation White Gold Dental Work 


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  1. Embleton, F. T. 1981. A new gold refining facility. Gold Bull. 14 (2): 65–68.CrossRefGoogle Scholar
  2. Loewen, R. 1980. Small scale gold refining. Technical report No 44/1. London: The Worshipful Company of Goldsmiths.Google Scholar

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© Van Nostrand Reinhold 1991

Authors and Affiliations

  • J. C. Yannopoulos

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