A salt of chromic acid.
- sodium c. Cr 51 anionic hexavalent radioactive chromium in the form of sodium c. (Na251CrO4) with a half-life of 27.8 days; used for the determination of circulating red cell volume and red cell survival time.
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chro·mate 'krō-.māt n a salt of chromic acid
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chro·mate (kroґmāt) 1. any salt of chromic acid. 2. to subject to the action of a salt of chromic acid.Medical dictionary. 2011.