calcium cyanide


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calcium cyanide

n.
A white or colorless crystalline solid, Ca(CN)2, used to kill insects and rodents and in the extraction of precious metals from ores. It may appear gray or black when impurities are present.
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WAD cyanide recovery is assumed to be 90%, with recovered cyanide returned to leaching operations as calcium cyanide.
Kiena was one of the first gold mines to use calcium cyanide in CIP, because of its lower price and greater safety in handling.
19 issue of the Chemical Market Reporter, a widely read, weekly chemical industry publication, the following was cited: "Cyanco is exploring the viability of producing liquid calcium cyanide at its facility near Winnemucca, Nevada, where it already produces liquid sodium cyanide.