Cyanide

Examples

• In the metallurgy of the precious metals probably the most important step has been the _cyanide process_ of obtaining gold and silver. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• By the cyanide process, in which cyanide of potassium is used as a solvent for the gold, low-grade ores can be profitably worked. Various. The Wonder Book of Knowledge.
• The menstruum best adapted for electro-plating is a solution of silver in cyanide of potassium. Frederick C. Bakewell. Great Facts.
• In 1806 it was known that gold was soluble in a solution of cyanide of potassium. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• It was quite a simple affair, and consisted of an observation tube with a lens, having in front of it a screen of fluorescing material, such as platino-cyanide of barium. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• When sufficiently developed, the plate is washed, and the image fixed by dissolving the unacted-upon iodide of silver with a solution of cyanide of potassium or hyposulphite of soda. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• The foreigner did not go to get the cyanide, but gave up his job. Frank Lewis Dyer. Edison, His Life and Inventions.

Edited by Gene