Chem. [f. L. ferr-um iron + -ATE4.] A salt of ferric acid.

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1854.  J. Scoffern, in Orr’s Circ. Sc., Chem. 439. A solution of ferrate of potash is obtained.

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1873.  Watts, Fownes’ Chem. (ed. 11), 455. A class of salts called ferrates.

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