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. |
See also: Ferricyanide
| 单词 | potassium ferricyanide | ||
| 释义 | Potassium ferricyanide
See also: Ferricyanide Potassium Ferricyanidepotassium ferricyanide[pə′tas·ē·əm ‚fer·ə′sī·ə‚nīd]Potassium Ferricyanidepotassium hexacyanoferriate, K3[Fe(CN)6], a complex iron (III) compound; dark red crystals. Density, 1.86 g/cm3. Potassium ferricyanide is obtained by the oxidation of potassium ferrocyanide. With Fe2+ ions it forms a dark blue precipitate of TurnbulFs blue, Fe3 [Fe(CN)6]2, which is of use inanalytical chemistry. Potassium ferricyanide is also used as areducer in photography. |
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