potassium ferrocyanide

noun

, Chemistry.

1. a lemon-yellow, crystalline, water-soluble solid, K 4 Fe(CN) 6 ⋅3H 2 O, used chiefly in casehardening alloys having an iron base and in dyeing wool and silk.

potassium ferrocyanide

noun

1. a yellow soluble crystalline compound used in case-hardening steel and making dyes and pigments. Formula: K 4 Fe(CN) 6 Also calledpotassium hexacyanoferrate (II)yellow prussiate of potash

Example Sentences

He extensively used potassium ferrocyanide to bleach detail into dark areas.

From Seattle Times

He admonished them for sending their spies to a foreign country equipped with “soap made of potassium ferrocyanide or toilet water that contains lead acetate.”

From Scientific American

After thorough drying for forty-eight hours, there was placed on the surface of each board a few drops of a solution of potassium ferrocyanide.

From Project Gutenberg

White Gunpowder: a mixture of potassium chlorate, potassium ferrocyanide, and sugar.

From Project Gutenberg

Another mixture is 1.8 part aniline salt, 12 parts potassium ferrocyanide, 200 parts water, 3.5 parts potassium chlorate dissolved in water.

From Project Gutenberg