In the absence of cyanide of potassium, a solution of pure hyposulphite of soda will answer as a fair substitute.
"American Handbook of the Daguerrotype" by Samuel D. Humphrey
Quoting Taafe, in 1862 Taylor speaks of the case of a man who swallowed the greater part of a solution containing an ounce of potassium cyanid.
"Anomalies and Curiosities of Medicine" by George M. Gould
To prevent this we had our weapons and a supply of cyanide of potassium.
"Beasts, Men and Gods" by Ferdinand Ossendowski
Oh, cyanide of potassium.
"A Life's Morning" by George Gissing
Cyanide of potassium does not attack the metallic deposit unless very strong.
"Scientific American Supplement, No. 288" by Various
When tested by cyanide of potassium the gold in the ore often changes into iron pyrites.
"The Postmaster's Daughter" by Louis Tracy
Use a solution of cyanide of potassium applied with a camel-hair brush.
"Enquire Within Upon Everything" by Anonymous
Cyanide of potassium is generated in large quantities.
"Scientific American Supplement, No. 483, April 4, 1885" by Various
This sort of ore requires a crushing-mill, a smelting furnace, perhaps big tanks filled with cyanide of potassium.
"The Wings of the Morning" by Louis Tracy
Ordinary potassium cyanide requires slightly warming in order to start the combustion.
"Scientific American Supplement, No. 832, December 12, 1891" by Various