A Grammar of Chemistry on the Plan of the Rev. David Blair: Adapted to the Use of Schools and Private Students, by Familiar Illustrations and Easy Experiments Requiring Cheap and Simple InstrumentsS.G. Goodrich, 1822 - 250 sider |
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Vanlige uttrykk og setninger
absorbs acetic acid affinity alcohol alkalies alloys alum alumine ammonia animal antimony arsenic arsenous acid atmosphere attraction barytes base bodies boiling bottle burning called caloric carbonic acid charcoal chemical chemical affinity cohesive colour combination combustion common salt composed compound contains converted copper crystals decomposed decomposition degree of heat dissolved distillation earth effect emit ether evaporation experiment exposed flask gallic acid galvanic gases glass tube glucine gold grains hydrogen Illus inches iron light liquid malleable melted mercury mineral mixed mixture muriatic acid nitrate nitre nitric acid nitrogen nitrous obtained ounces oxide oxygen gas particles phosphorus piece plants plates platina potash powder produced properties proportion pure red heat red hot retort Salts formed saturated silex silver small quantity soda solid soluble solution specific gravity substances sugar sulphate sulphuric acid tained taste temperature thermometer tion unites vegetable vessel weight wire zinc
Populære avsnitt
Side 4 - IDE, of the said District, hath deposited in this office, the title of a book, the right whereof he claims as proprietor, in the words following, to wit : " Inductive Grammar, designed for beginners. By an Instructer." In conformity to the act of the Congress of the United States...
Side 227 - When pieces of charcoal, about an inch long and onesixth of an incL in diameter, were brought near each other (within the thirtieth or fortieth part of an inch), a bright spark was produced, and more than half the volume of the charcoal became ignited to whiteness, and by withdrawing the points from each other a constant discharge took place through the heated air, in a space at least equal to four inches, producing a most brilliant ascending arch of light, broad and conical in form in the middle.
Side 4 - ... for the encouragement of learning by securing the copies of Maps, charts, and books, to the Authors and Proprietors of such copies during the times therein mentioned, and extending the benefits thereof to the arts of designing, engraving and etching historical and other prints.
Side 235 - Grain. The Smallest weight made use of by chemical writers. Twenty grains make a scruple ; 3 scruples a drachm ; 8 drachms, or 480 grains, make an ounce ; 12 ounces, or 5760 grains, a pound troy. The avoirdupois pound contains 7000 grains. Granulation. The operation of pouring a melted metal into water, in order to divide it into small particles for chemical purposes. Tin is thus granulated by the dyers before it is dissolved in the proper acid. Gravity, specific.
Side 244 - Sulphates, because the acid which forms them is called sulphuric acid. Vitriolated Tartar. The old name for sulphate of potass. Volatile Alkali. Another name for ammonia. Volatile Salts. The commercial name for carbonate of ammonia. Volatility. A property of some bodies which disposes them to assume the gaseous state. This property seems to be owing to their affinity for caloric. Volume. A term made use of by modern chemists to express the space occupied by gaseous or other bodies.
Side 239 - ... readily removed from one vessel to another. Precipitate. Any matter which, having been dissolved in a fluid, falls to the bottom of the vessel on the addition of some other substance capable of producing a decomposition of the compound, in consequence of its attraction either for the menstruum, or for the matter which was before held in solution. Precipitation.
Side 107 - Hence ink stains degenerate into iron-moulds, and these last are immediately produced on an inked spot of linen when washed with soap, because the alkali of the soap abstracts the gallic acid, and leaves only an oxide of iron.
Side 235 - Hermetically. A term applied to the closing of the orifice of a glass tube, so as to render it air-tight. Hermes, or Mercury, was formerly supposed to have been the inventor of chemistry ; hence a tube which was closed for chemical purposes, was said to be Hermetically or chemically sealed. It is usually done by melting the end of the tube by means of a blowpipe. Hydrogen. A simple substance; one of the constituent parts of water. gas. Solid hydrogen united with a large portion of caloric. It is...
Side 236 - Intermediates. A term made use of when speaking of chemical affinity. Oil, for example, has no affinity for water unless it be previously combined with an alkali; it then becomes soap, and the alkali is said to be the intermedium which occasions the union. K. Kali. A genus of marine plants which is burnt to procure mineral alkali by afterwards lixiviating the ashes.
Side 233 - Expressive of the purification of a substance by washing with water. Effervescence. An intestine motion which takes place in certain bodies, occasioned by the sudden escape of a gaseous substance. Efflorescence. A term commonly applied to those saline crystals which become pulverulent on exposure to the air, in consequence of the loss of a part of the water of crystallization.