A Manual of Elementary Chemistry: Theoretical and Practical

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Blanchard and Lea, 1859 - 564 pagina's
 

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Pagina 40 - It is better on this account in graduating the bottle, to make two scratches, as represented in the drawing, one at the top and the other at the bottom of the curve ; this prevents any future mistake.
Pagina 41 - This theorem may be thus expressed: When a solid is immersed in a fluid, it loses a portion of its weight ; and this portion is equal to the weight of the fluid which it displaces; that is, to the weight of its own bulk of that fluid.
Pagina 106 - Indian-ink, porcelain, asbestos, fluor-spar, minium, cinnabar, binoxide of lead, sulphate of zinc, tourmaline, graphite, and charcoal. In the second class are placed bismuth, antimony, zinc, tin, cadmium, sodium, mercury, lead, silver, copper, gold, arsenic, uranium, rhodium, iridium, tungsten, phosphorus, iodine, sulphur, chlorine, hydrogen, and many of their compounds. Also, glass free from iron, water, alcohol, ether, nitric acid, hydrochloric acid, resin, wax, olive oil, oil of turpentine, caoutchouc,...
Pagina 39 - Specific gravity denotes the weight of a body, as compared with the weight of an equal bulk, or volume, of the standard body, which is reckoned as unity...
Pagina 192 - They are four in number, and to the following effect : — 1. All chemical compounds are definite in their nature, the ratio of the elements being constant. 2. When any body is capable of uniting with a second in several proportions, these proportions bear a simple relation to each other. 3. If a body, A, unite with other bodies, B, C, D, the quantities of B...
Pagina 200 - Alchemists will show, but these have been mere arbitrary marks or characters invented for the sake of brevity, or sometimes perhaps for that of obscurity. The plan about to be described is due to Berzelius ; it has been adopted, with slight modifications, wherever chemistry is pursued. Every elementary substance is designated by the first letter of its Latin name, in capital, or by the first letter conjoined with a second small one, the most characteristic in the word, as the names of many bodies...
Pagina 290 - ... (after saturation of the free acid by ammonia) a black precipitate. Oxide of cobalt is remarkable for the magnificent blue color it communicates to glass : indeed, this is a character by which its presence may be most easily detected, a very small portion of the substance to be examined being fused with borax on a loop of platinum wire before the blowpipe ; the production of this color both in the inner and in the outer flame distinguishes cobalt from all other metals.

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