palladium chloride

Chem.: Palladium forms two chlorides: Palladious chloride, PdCl2, obtained by di olving the metal in hydrochloric acid containing a little nitric acid; and palladic chloride, PdCl4, obtained by slightly heating palladious chloride in strong nitro hydrochloric acid. Both compounds are very dark in color. palladium-gold, s. [PORPEZITE.] palladium-oxide, s. Chem. The protoxide, PdO, is obtained by de composing the nitrate at a moderate heat. It isa dark gray or black powder, slightly soluble in acids. The dioxide, Paos, is not known in the free state. Alkalies throw down from palladic chloride the hydrated dioxide mixed with the alkali. pal-lā-di-um-ize, v. t. [Eng. palladium; -ize.] To cover or coat with palladium in lieu of zinc, as in galvanizing. sin, aş; expect, Xenophon, exist. ph = f. The American Dictionary and Cyclopedia pallah păl'-lạh, s. [Native name.] Zool.: Antilope melampus , from south and southeast Africa. It stands about three feet high. păl-lăm-poôr', s . [PALAMPORE.] Păl-lăs, s . [Gr.; the ordinary derivation makes the godde to have obtained this name from having slain the Titan, Pallas , but it is more probably derived from pallo = to brandish.] 1. Greek Antiq .: The Greek godde of wisdom. Her attributes and character were similar to those of the Roman Minerva. [MINERVA.] 2. Astron.: [ASTEROID, 2]. păl-las-īte, s . [After Pallas, the Ru ian traveler; suff. -ite ( Petrol .).] Petrol.: The name given by Gustave Rose to a group of extra-terrestrial rocks (meteorites), which consisted of crystals and crystal-grains of olivine (q. v.), inclosed in a sponge-like ma of iron. The meteorite described by Pallas in 1776, and found by him at Krasnojarsk, Siberia, formed the type. *pal-la-teen, s. [Etym. doubtful; cf. pall (1), 8., I. 5.] Some kind of stuff or article of dre , not identified. pâlled, pa . par . or adj . [PALL (2), v.] Dull, vapid, insipid, tastele , destitute of life or spirit. *păl-les'-çent, a. [Latin pallescens , pr. par. of pallesco to grow pale; incept, of palleo =to be pale.] Growing or becoming pale. păl-lět (1), s. [PALETTE.] *I. Ordinary Language : 1. A palette. 2986 pallial-impre ion, pallial-line, s. Zool .: An impre ion or line left in the dead shell of a mollusk, the muscular margin of the mantle. In the monomyary bivalves, and Saxicava and Panopœa norvegica , it is broken up into irregular spots. pallial-line, s. [PALLIAL-IMPRESSION.] pallial-shell, s. Zool .: A shell secreted by, or contained within, the mantle, as is the "bone" of the cuttle-fishes. pallial-sinus, s. Zool .: A bay or sinus in the pallial impre ion in the shells of mollusks having retractile siphons, the greater or le length of which is shown by the depth of the sinus. Called also siphonal impres sion. The form of the sinus is a generic character. *păl-li-a-měnt, s. [Lat. pallium =a mantle, a cloak.) A dre , a robe. "This palliament of white and spotle hue." Shakesp.: Titus Andronicus, i. 2. *păl-li-ard, s. [French paillard , from paille = straw.] 1. A vagabond, a tramp, a beggar. 2. A lecher, a lewd person. "Thieves, panders, palliards , sins of every sort." Dryden: Hind and Panther , ii. 563. *pal-li-ard-işe, s. [French paillardise .] Forni cation. taining three ounces. II. Technically : 1. Bookbinding : (1) A tool for gilding the back over the bands. (2) The instrument with which gilders take up gold-leaf from the pillow. 2. Clay : (1) A board on which a newly-molded brick is carried away to the hack. (2) A potter's wheel. (3) A paddle used in beating and shaping plastic material in forming crucibles, .; or in taking up mortar for use. 3. Horol .: In an escapement, a lip or leaf connected with the pendulum, or upon the arbor of the balance-wheel, as the case may be, and acting consecutively upon the teeth of a scape-wheel. 4. Machinery: pallet-eye, s. Music : A loop of wire fast ened to the movable end of the pallet, to which wires, called pull-downs, in connection with the key-board, are attached.