Chem. [f. TANTAL(UM + -ATE4.] A salt of tantalic acid.

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1849.  D. Campbell, Inorg. Chem., 275. Tantalates of the alkalies, obtained when a solution is evaporated, or by boiling, are acid insoluble salts.

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1873.  Watts, Fownes’ Chem. (ed. 11), 495. In all these minerals tantalum exists as a tantalate of iron and manganese.

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