| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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,... | |
| 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... | |
| 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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