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Updated: June 30, 2026
This is from that author's work entitled, "Electro Metallurgy," American edition: "The cyanide of potassium, so often alluded to while treating of the metallo-cyanides, may be formed in several ways. It may be obtained by heating to a dull redness the yellow ferrocyanate of potash, in a covered vessel, filtering and rapidly evaporating it.
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