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Kirk-Othmer Encyclopedia of Chemical Technology

Gold and Gold Compounds

Standard Article

J.G. Cohn¹, Eric W. Stern², Samuel F. Etris³

¹Engelhard Corporation

²Engelhard Corporation

³The Gold Institute

DOI: 10.1002/0471238961.0715120403150814.a01.pub2
Article Online Posting Date: April 16, 2001

Abstract | Full Text: PDF (212K)

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Abstract

Gold is found as a relatively pure solid on the surface of the earth. It is widely distributed, but in very small concentrations. Gold is the most noble of the noble metals. Gold's properties are listed. The recovery of gold from ore is by the cyanidation process.

Specifications and requirements of the international trading markets are discussed as well as precautions aganist fraud. Gold is very recyclable because of its value. Gold is benign to the enviornment, but the chemicals used in its mining are not. Gold is used in electronics, jewelery, coins, decoration, dentistry and medicine.

Keywords: Enviornmental concerns; Occurence; Sources; Properties; Manufacturing; Production; Economics; Grades; Analytical methods; Uses; Cluster compounds; Space satellites; Fingerprinting; Extraction; Jewelery; Electronics; Brazed compounds; Dentistry; Decoration; Gold leaf; Mining; Medicine; Catalyst; Coins; Medallions; Cyanides; Oxides; Hydroxides; Sulfides; Organogold compounds.