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" ... dissolved in nitric acid, the solution evaporated to dryness, and the residue repeatedly moistened with water and dried again by heat. "
Journal of the Chemical Society - Page 536
by Chemical Society (Great Britain) - 1899
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Hand-book of Chemistry: Inorganic chemistry

Leopold Gmelin - 1849 - 534 pages
...when ignited, becomes dark brown in a very short time. If perfectly white carbonate of lanthanum is dissolved in nitric acid, the solution evaporated to dryness, and the residue ignited, an oxide is obtained of a uniform brown colour. These facts seem to indicate that the brown...
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Works of the Cavendish Society: Gmelin, Leopold. Hand-book of ..., Volume 4

1849 - 544 pages
...oxide of lanthanum, together with oxide of didymium. To separate the oxide of lanthanum, the whole is dissolved in nitric acid; the solution evaporated to dryness; and the residue ignited till the nitric acid is wholly expelled. The mixture of eerie oxide and the oxides of lanthanum...
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Journal of the Chemical Society, Volume 99, Part 1

Chemical Society (Great Britain) - 1911 - 1236 pages
...constantly giving off electrons, and in a sense may be said to be radioactive. The copper was then dissolved in nitric acid, the solution evaporated to dryness, and the residue ignited to convert Flo. 2. it into copper oxide. This was well washed and filtered, the nitrate evaporated...
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Handbook of Chemical Analysis ...

J. W. Slater - 1861 - 448 pages
...muriatic acid. The mercury of commerce sometimes contains traces of tin, lead, zinc, and arsenic. If dissolved in nitric acid, the solution evaporated to dryness, and the residue ignited, nothing should remain. Any residue insoluble in excess of boiling nitric acid is tin. Zinc...
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The American Journal of Science, Volumes 175-176

1908 - 1224 pages
...filtered off. The filtrate was evaporated to dryness and ignited to destroy the oxalic acid. The residue was dissolved in nitric acid, the solution evaporated to dryness and the residue of nitrates was treated with pure, dry ether to remove the uranium nitrate. That portion of the residue...
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Smithsonian Miscellaneous Collections, Volume 27

1883 - 842 pages
...determined, and the difference between the atomic weights of nitrogen and cblorine. In two experiments silver was dissolved in nitric acid, the solution evaporated to dryness, and the nitrate kept melted until there was no further loss of weight. The result obtained was that 100 silver...
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Smithsonian Miscellaneous Collections

Smithsonian Institution - 1883 - 832 pages
...and the difterence between the atoniic weights of nitrogen and chlorine. In two experiments silver was dissolved in nitric acid, the solution evaporated to dryness, and the nitrate kept melted until there was no further loss of weight. The result obtained was that 100 silver...
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Food Adulteration and Its Detection

Jesse Park Battershall - 1887 - 388 pages
...flavour or to create thirst. For the determination of phosphoric acid, a weighed portion of the ash is dissolved in nitric acid, the solution evaporated to dryness, and the residue boiled with water containing a little nitric acid. It is then filtered, concentrated by evaporation,...
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Qualitative Chemical Analysis

C. Remigius Fresenius - 1887 - 514 pages
...of carbonate of soda, by which means the sulphates are converted into carbonates. These are washed, dissolved in nitric acid, the solution evaporated to dryness, and the residue pulverized, and digested for a considerable time with absolute alcohol to which a little ether has...
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The True Atomic Weights of the Chemical Elements and the Unity of Matter

Gustavus Detlef Hinrichs - 1894 - 318 pages
...:.--!. i:i40 : 1 I'b OiHi I'b = 1.4038 : 1 I'b (V*: I'll 0^1.:iii87 : 1 I'b 0,8: I'b K :l.2«77 : 1 dissolved in nitric acid, the solution evaporated to dryness, and the residue ignited in determinations 1, 2, 3. In determinations 4 and 5 the solution was precipitated by ammonium...
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