v. Chem. [f. F. titre-r in same sense (f. titre title, qualification, fineness of alloyed gold or silver; in Chem., proportioning of the fixed weight of a reagent which a given volume of a liquid contains in solution): see -ATE3 6.] trans. To ascertain the amount of a constituent in (a mixture, or [less usually] a compound) by volumetric analysis; i.e., by adding to a solution thereof of known proportion, a suitable reagent of known strength, until a point is reached at which reaction occurs or ceases.
1870. G. E. Davis, in Eng. Mech., 4 March, 605/2. In titrating iron solutions, the ferrocyanide is not used.
1872. Watts, Dict. Chem., VI. 154. It is easy by means of the latter to titrate sulphuric, oxalic, or any other acid with perfect certainty.
1899. Cagney, trans. Jaksch’s Clin. Diagn., i. (ed. 4), 4. Tauszk weighs the blood used, and titrates with tropæolin or litmus.
So Titrated ppl. a. = F. titré: see quot. Also Titrate a. rare, titrated.
1863. Intell. Observ., III. 457. Titrated solutions are thus named from the French, and signify their having a definite strength, or power, so that the action of precipitation or otherwise exerted by a given quantity is readily capable of arithmetical expression, and thus indicates the quantity of the substance acted upon.
1881. Nature, 6 Oct., 552/1. Determination of phosphoric acid by titrated liquors, by M. Perrot.
1885. Athenæum, 11 July, 54/1. Dr. R. Dubois’s apparatus for applying anæsthetics composed of titrate mixtures of chloroform and air was described on June 22nd … before the Academy of Sciences.
