ferrocyanide

Barii ferrocyanidum, L. From pure ferrocyanide of iron digested in baryta water.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
White Gunpowder: a mixture of potassium chlorate, potassium ferrocyanide, and sugar.
The New Gresham Encyclopedia|Various
The precipitate of zinc ferrocyanide formed in the assay solution is white; but if traces of iron are present, it becomes bluish.
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
Filter, wash with a little hot water; and titrate with standard ferrocyanide.
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer

By adding ferrocyanide of potassium to ordinary ink, an indelible writing ink may be obtained.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley

British Dictionary definitions for ferrocyanide

ferrocyanide

/ (ˌfɛrəʊˈsaɪəˌnaɪd) /

noun

any salt of ferrocyanic acid, such as potassium ferrocyanide, K 4 Fe(CN) 6

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