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A compound formed by the union of cyanogen with an element or radical.

A double cyanide of gold and some other metal or radical; -- called also cyanaurate.

See Dicyanide.

A compound of a binary type containing two cyanogen groups or radicals; -- called also bicyanide.

One of a complex series of double cyanides of ferric iron and some other base. Potassium ferricyanide (Chem.), red prussiate of potash; a dark, red, crystalline salt, K6(CN)12Fe2, consisting of the double cyanide of potassium and ferric iron. From it is derived the ferrous ferricyanate, Turnbull's blue.…

One of a series of complex double cyanides of ferrous iron and some other base. Potassium ferrocyanide (Chem.), yellow prussiate of potash; a tough, yellow, crystalline salt, K4(CN)6Fe, the starting point in the manufacture of almost all cyanogen compounds, and the basis of the ferric ferrocyanate, prussian blue. It is…

A compound of hydrocyanic acid with a base; -- distinguished from a cyanide, in which only the cyanogen so combines.

A double cyanide of platinum and some other metal or radical; a salt of platinocyanic acid.

See Sulphocyanate.

Applied loosely to compounds having nitrogen variously combined, as in cyanides, nitrates, etc.

old or silver by treating the ore in a revolving barrel, or drum, with mercury, chlorine, cyanide solution, or other reagent.

kinds of ironware. Ure. -- Berlin blue, Prussian blue. Ure. -- Berlin green, a complex cyanide of iron, used as a green dye, and similar to Prussian blue. -- Berlin iron, a very fusible variety of cast iron, from which figures and other delicate articles are manufactured. These are often stained or lacquered in imi…

An isocyanide of a hydrocarbon radical. The carbamines are liquids, usually colorless, and of unendurable odor.

See Aurocyanide.

from its tendency to form blue compounds; obtained by heating ammonium oxalate, mercuric cyanide, etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon and soda or potash. It conducts itself like a member of the halogen group of elements…

A photographic picture obtained by the use of a cyanide.

A cyanide. [Obs.]

A combining form indicating ferric iron as an ingredient; as, ferricyanide.

A salt of ferricyanic acid; a ferricyanide.

Pertaining to, or derived from, a ferricyanide. Ferricyanic acid (Chem.), a brown crystalline substance, H6(CN)12Fe2, obtained from potassium ferricyanide, and regarded as the type of the ferricyanides; -- called also hydro-ferricyanic acid, hydrogen ferricyanide, etc.