Elements of Chemistry,: Including the Applications of the Science in the ArtsHippolyte Baillière, foreign bookseller to the Royal College of Surgeons, and to the Royal Society, 219, Regent Street., 1842 - Всего страниц: 1088 |
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Часто встречающиеся слова и выражения
action affinity alcohol alkali alumina ammonia anhydrous antimony appears arsenic atoms of water barytes becomes Berzelius bodies boiling point carbonic acid cent centig charcoal chemical chloric acid chloride chlorous colour colourless combining measure combustion composition compound condensed contains converted cooling copper crystalline crystals decomposed decomposition density diluted dissolved distilled double salt Dumas elements equivalent ether ethyl evaporation formed formula fused fusible gases glass hydrate hydrochloric acid hydrogen insoluble iodide iodine isomorphous lime liquid magnesia manganese mass matter mercury metal mineral mixed mixture neutral nitrate nitric acid nitrogen obtained odour oxalic oxide oxide of lead oxide of methyl oxygen phosphate phosphoric acid phosphorus platinum portion potash potassium powder precipitate prisms produced proportion protoxide quantity red heat retort silica silver soda sodium solid soluble in water solution starch substance sugar sulphate sulphuretted hydrogen sulphuric acid temperature tion tube vapour volatile volumes weight yellow zinc
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Стр. 76 - a fissure or crack in glass receivers. Having occasion to collect large quantities of that light gas, he had accidentally made use of a jar which had a slight fissure in it. He was surprised to find that the water of the pneumatic trough rose into this jar, one and a half inches in
Стр. 480 - continue to be soluble in water. A compound, known as soluble glass, is obtained by fusing together 8 parts of carbonate of soda (or 10 of carbonate of potash) with 15 of fine sand and 1 of charcoal. The object of the charcoal is to facilitate the combination of the
Стр. 285 - particles of fixed matter, which may find its way into the atmosphere, notwithstanding, like the pollen of flowers, and remain for a time suspended in it; a condition which is consistent with the admitted difficulty of reaching and destroying those bodies by gaseous chlorine, and with the washing of walls and floors as an ordinary disinfecting practice.
Стр. 724 - a knife which has been used in their dissection producing in these cases dangerous consequences. The poison of bad sausages belongs to this class of noxious substances. Several hundred cases are known in which death has occurred from the use of this kind of food. In Wirtemberg especially, these cases are
Стр. 82 - those gases which are more easily liquefied by cold or pressure that pass most readily through both caoutchouc and humid membranes. Dr. Mitchell found that the time required for the passage of equal volumes of different gases, through the same membrane, was 1 minute, with ammonia, 2} minutes, w,ith sulphuretted hydrogen.
Стр. 132 - itself a gas, sometimes retains the original volume of its constituents, no contraction or change of volume resulting from their combination; thus one volume of nitrogen and one volume of oxygen form two volumes of deutoxide of nitrogen; one volume of chlorine and one volume of hydrogen form two volumes of hydrochloric acid gas; and that when contraction
Стр. 108 - but when the names of two or more elements begin with the same letter, a second in a smaller character is added for distinction ; thus oxygen is represented by the letter
Стр. 525 - Pipe clay, which is very plastic and tenacious, and requires a higher temperature than the preceding for fusion; when burned it is of a cream colour, and is used for tobacco-pipes and white pottery. 3. Potters' clay is of a reddish or grey colour, and becomes red when heated ; it fuses at a
Стр. 77 - Exact results are obtained by means of a simple instrument, which may be called a diffusion tube, and which is constructed as follows. A glass tube, open at both ends, is selected, half an inch in diameter, and from six to fourteen inches in length. A cylinder of wood, somewhat less in diameter, is
Стр. 72 - All gases whatever are absorbed and condensed by water in a greater or less degree, in which case they certainly assume the liquid form. The quantity condensed is widely different in the different gases ; and in the same gas the quantity condensed depends upon the pressure to which the gas is subjected, and the temperature of the