Elements of Chemical Philosophy, on the Basis of Reid: Comprising the Rudiments of that Science and the Requisite Experimental IllustrationsCorey & Fairbank, 1832 - 553 σελίδες |
Περιεχόμενα
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Συχνά εμφανιζόμενοι όροι και φράσεις
absorbed acid gas action affinity alcohol alkali ammonia atmospheric air barytes bodies boiling bottle burn called caloric carbonic acid carbonic oxyde charcoal chemical chloric acid chlorine cold color combines combustion compound condensed contains copper crystallised crystals cubic inches decomposed decomposition deutoxyde of nitrogen diluted disengaged dissolved distillation effervescence employed equiv equivalent ether flask fluid formed gaseous gases glass retort grains hydriodic hydrocyanic acid hydrogen hydrogen gas inflammable insoluble iodine iron large quantity lime liquid magnesia matter mercury metallic mixed mixture muriatic acid nitrate nitre nitric acid nitrogen nitrous obtained olefiant gas ounces oxalic oxalic acid oxyde oxygen oxygen gas peroxyde phosphoric acid phosphorus portion potassium powder precipitate prepared produced properties proportion protoxyde pure red heat salt small quantity soda solid soluble solution specific gravity stop-cock substance sulphate sulphuretted hydrogen sulphuric acid takes tartaric acid temperature tion tube vapor vegetable vessel weight zinc
Δημοφιλή αποσπάσματα
Σελίδα 41 - The impossibility of separating the nomenclature of a science from the science itself is owing to this, that every branch of physical science must consist of three things: the series of facts which are the objects of the science, the ideas which represent these facts, and the words by which these ideas are expressed. Like three impressions of the same seal, the word ought to produce the idea, and the idea to be a picture of the fact.
Σελίδα 47 - ... once what is the weight of a quantity of water, equal in bulk to the solid matter in the sand ; and by comparing this with the weight of the sand, we have its true specific gravity.
Σελίδα 207 - ... abundantly in the vegetable kingdom, being one of the chief ingredients of most varieties of grain, of some roots, such as the potato, and of the kernels of leguminous plants. It is easily procured by letting a small current of •water fall upon the dough of wheat flour inclosed in a piece of linen, and subjecting it at the same time to pressure between the fingers, until the liquid passes off quite clear. The gluten of the flour is left in a pure state, the saccharine and mucilaginous matters...
Σελίδα 538 - Troy Weight 24 grains = 1 pennyweight. 20 pennyweights = 1 ounce. 12 ounces = 1 pound.
Σελίδα 46 - ... and determined, by means of it, how much alloy an artist had fraudulently added to a crown, which king Hiero had ordered to be made of pure gold. He discovered the solution of this problem while bathing ; and it is said to have caused him so much joy, that he hastened home from the bath undressed, and crying out, ' ' I have found it, I have found it!
Σελίδα 46 - He first taught the principle, " that a body, immersed in a fluid, loses as much in weight as the weight of an equal volume of the fluid...
Σελίδα 224 - ... be considered, but a few broad, general statements regarding the cell may be of use in the better understanding of what follows. The Cell. — All organized structures, plant and animal alike, originates in minute vesicles or cells, as they are called. If a seed or fruit, piece of plant or animal be examined with a microscope it will be found to be composed of a mass of rounded or many-sided bogs or cells, lying close together, and more or less filled with liquid, or in the resting period of...
Σελίδα 199 - ... recently prepared it is beautifully transparent, but by exposure to the air it effloresces and the crystals become covered with an opaque white powder. By long exposure it undergoes complete efflorescence, and falls to powder with the loss of more than one-half its weight.
Σελίδα 340 - This salt has been long known by the name of microcosmic fit, and is much employed as a flux in experiments with the blowpipe. When heated, it parts with its water and ammonia, and a very fusible metaphosphate of soda remains.
Σελίδα 174 - Potassa and the Alcohol in a large glass retort, and, having gradually poured in the Acid, digest with a gentle heat for two hours ; then raise the heat and distil a gallon. To the distilled liquor add the Diluted Alcohol and Carbonate of Potassa, and again distil a gallon.