Antimonic

of or containing , especially in the pentavalent state.
Historical Examples

antimonic acid, when first heated, becomes white, and is converted into antimonious acid.
A System of Instruction in the Practical Use of the Blowpipe Anonymous

antimonic acid and its hydrate changes moistened blue litmus paper to red.
A System of Instruction in the Practical Use of the Blowpipe Anonymous

antimonic or metantimonic acid, heated to a temperature below redness, loses water and yields the anhydride, Sb2O5.
Cooley’s Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades…, Sixth Edition, Volume I Arnold Cooley

It is very unstable, and easily changes into antimonic acid, even in water.
Cooley’s Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades…, Sixth Edition, Volume I Arnold Cooley

antimonic anhydride is a yellowish-white powder, tasteless and insoluble in water and acids.
Cooley’s Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades…, Sixth Edition, Volume I Arnold Cooley

antimonic oxide is converted on ignition into the tetroxide (Sb2O4) with loss of oxygen.
A Textbook of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer and John Jacob Beringer

Antimony forms two series of salts, antimonious and antimonic; and advantage is taken of this in its determination volumetrically.
A Textbook of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer and John Jacob Beringer

antimonic chloride and potassium iodide react, forming antimonious chloride and free iodine.
A Textbook of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer and John Jacob Beringer

adjective
of or containing antimony in the pentavalent state