PRECIPITATE

n. Pre2-si2p'i2-tat. LAt.,prcecipita1vm, prcecipitatus (from prcecipitare, to precipitate). Fr., precipite. Ger., Prdcipitat, Niedersclilag. A substance thrown down from a solution by the addition of a reagent which converts the di olved substance into a substance insoluble in the liquid. [B.] Atmospheric p's. P's formed on the exposure of a solution to the air. [a, 48.] Fusible white p. See MERCVRIHAMMONIUM chloride. Infusible (or L,emery's) white p. See Arnmoniated MERCURY. [B, 3.] Red p. Seeded MERCURY oxide. White p. Lat., praecipitatum album, hydrargyrum praecipitalum album, mercurius prcecipitatus nlbus. Fr., precipite blanc [Fr. Cod.]. Ger.,i(vi es Prdcipitat (oder Quecksilberprdcipitat). A term usually applied to ammoniated mercury; so called because it is a white substance precipitated from a solution of mercuric chloride by the action of ammonia. The Fr. Cod., however, gives this name to mercurous chloride (calomel) prepared by precipitation; and the name is also sometimes applied to merc urd i ammonium chloride, or fusil leu'hite p. [B.] Yellow p. Fr., precipite jaune. Ger., gelbes Prdcipitat. See MERCURY sub sulphate and Yellow MERCURY oxide. [s. 329]