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ENORMOUS quantities of potassium cyanide are used in certain gold-extraction processes. I t is well known that the commercial article contains more or less cyanate, which appears to be useIess from a, metallurgical point of view. I n the course of some experiments on solutions of potassium cyanide, it was desired to estimate the quantity of potassium cyanate in the presence of cyanide and vice versci. F. Wohler" has poinked out that silver cyanate is decomposed by dilute nitric acid thus : Thedoi:10.1039/an9012600286 fatcat:abrwdthxlbek7ni44dl7ae63wa