▪ I. prussiate, n. Chem.
(ˈprʌs-, ˈprʌʃɪət)
[a. F. prussiate (Morveau, etc. Nomencl. Chim. 1787), f. pruss-ique prussic + -ate1.]
A salt of prussic acid; a cyanide. Also, a ferro- or ferri-cyanide, as yellow prussiate (of potash) = potassium ferro-cyanide, K4FeCy6; red prussiate (of potash) = potassium ferricyanide, K6Fe2Cy12.
| c 1790 tr. Lavoisier's etc. Tabl. Chem. Nom. in Encycl. Brit. (ed. 3) IV. 598, Names newly invented or adopted..Prussiate of potash..Prussiate of iron. 1791 Hamilton Berthollet's Dyeing I. i. i. i. 11 The prussiat of alkali. 1800 tr. Lagrange's Chem. II. 360 The prussiates of ammonia, lime, barytes, &c. 1842 Parnell Chem. Anal. (1845) 68 The red prussiate of potash is as delicate and characteristic a test for protoxide of iron, as the yellow prussiate of potash is for the peroxide. 1875 Ure's Dict. Arts III. 598 Ferro⁓cyanide of potassium or Yellow prussiate of potash. |
▪ II. ˈprussiate, v. Chem.
[f. prec.]
trans. To convert into a prussiate.
| 1796 Kirwan Elem. Min. (ed. 2) I. 504 They make use of the same sort of Berlin blue in Prussiating their alkali. |
Hence ˈprussiated ppl. a., converted into a prussiate; combined with prussic acid.
| 1796 Kirwan Elem. Min. (ed. 2) II. 356 The prussiated Metals heated to redness. 1800 Henry Epit. Chem. (1808) 334 The prussiated alkalies also precipitate muriate of alumine. 1826 ― Elem. Chem. II. 537 The prussiated alkalis decompose..all metallic solutions. |