Hand-book of Chemistry, Volume 12Cavendish Society, 1848 Several volumes contain reports of the meetings of the Cavedish Society. |
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Common terms and phrases
acetate of lead acid dissolves alcohol and ether alcoholic potash alcoholic solution alkaline ammonia anhydrous aqueous solution baryta benzoate benzoic acid benzylene benzylic alcohol Bertagnini Berzelius bitter almond oil boiling alcohol boiling water brown Cahours carbonic acid Chem Chim chloric acid chloride of benzoyl chrysammic acid cold water colour colourless compound Compt containing cooling crystalline mass crystallises crystals decomposed decomposition deposits dilute dissolves readily dissolves sparingly ether ethyl evaporated excess filtered filtrate forms gallic acid heated hippuric acid hot water hydrate hydrochloric acid hydrogen insoluble in water lamina lime Limpricht liquid melts mixed mixture Mulder needles nitric acid nitrobenzoic obtained odour oil of vitriol orcin oxide Pharm Phys Pogg potash-ley potassium powder precipitate prisms readily in alcohol residue resin salicylic acid salt saturated Schunck Schwarz separates small quantity soda solidifies sparingly soluble Stenhouse sulphate sulphuric acid temperature vapours Winckler Wöhler & Liebig yellow yellowish yields
Popular passages
Page 507 - Its density is =1-1271 at 59° F.; it has a slightly bitter taste, followed by a very disagreeable persistent acridity ; its odour is very slight, and resembles that of oil of wine ; when heated in a retort, it is decomposed into a colourless volatile liquid and a black carbonaceous residue. It is insoluble in water, but mixes in all proportions with alcohol and...
Page 20 - Soc. ix. 167). It was formerly supposed to be capric aldehyde. Benzoic aldehyde is also produced by the action of nascent hydrogen (evolved by the action of zinc on hydrochloric acid) on cyanide of benzoyl, hydrocyanic being formed at the same time : (ГНЮ.Су + HH = C'H'OH + CyH.
Page 550 - ... distilling in vacuo, or by decomposing the baryta salt by an exact equivalent of dilute sulphuric acid. The dilute acid thus prepared possesses a pungent odour, somewhat resembling that of the nitro-fatty acids, and an acid taste. It reddens litmus paper strongly, and gradually decomposes even at ordinary temperatures. Neutralized by the carbonates of the various bases, it yields the corresponding salts.
Page 551 - The silver and magnesian salts thus prepared were analysed. The salts of dinitroethylic acid are all soluble in water and in alcohol, and most of them crystallize with more or less difficulty. They are all violently acted upon by concentrated nitric acid, the dinitroethylic acid being entirely decomposed and a nitrate of the constituent base produced. Dilute nitric acid acts in the same manner, but more slowly. They all fuse at a temperature little above 100° Cent. The potash, soda, lime, and baryta...
Page 470 - ... narrow tube of the gas-receiver ; the very moment its level disappears under the caoutchouc connector, the clamp between the boiler-globe and gas-receiver is fastened, and the whole apparatus disconnected. The gas-receiver closed at both its extremities by caoutchouc, contains the whole of the gas, together with a few drops of water : the volume of the gas may be readily measured by opening one of the clamps under mercury, and allowing the metal to enter the gas-receiver, until it stands at the...
Page 258 - It is insoluble in water, but dissolves readily in alcohol and ether; and in much greater quantity in these liquids when hot, than when cold.
Page 311 - When binitrosalicylic acid is dissolved in absolute alcohol, dry hydrochloric acid gas passed into the boiling solution, the liquid evaporated to one-half, and water added, a heavy oil is thrown down which soon solidifies; and if...
Page 443 - One pt. of oanautbol is distilled with 2 pts. of a mixture of 1 vol. strong nitric acid and 2 vol.
Page 230 - Between 140° and 150°, it becomes very viscid, and solidifies on cooling to a mass, which is less crystalline the more strongly it has been heated; and at length there is formed an amber-coloured translucent resin having the properties of saliretin. — 2. Exposed to the air in contact with...
Page 229 - Saligenin is unctuous to the touch. In vacuo over oil of vitriol, it does not give off water, but partly volatilises, in consequence of which the oil of vitriol becomes covered with a crimson crust. — Melts when heated, forming a colourless, transparent liquid, which solidifies in a crystalline crust at 82°. When heated for some time to 100°, it yields a sublimate of delicate, white, shining, iridescent laminte.