Examples from literature

• A cyanide will become decomposed and eliminate nitrogen gas, while the residue is charred. 
• Place one ounce of cyanide of potassium into the bottle and pour in enough dry sawdust to cover the lumps of poison. 
• Then, opening the clip, run through more cyanide solution and then water, so as to wash the gold-carrying liquor thoroughly into the beaker. 
• There is no hot water, no sterilising, no cyanide gauze even, but iodine saves many lives, and we have plenty of it. 
• When tested by cyanide of potassium the gold in the ore often changes into iron pyrites.