If this be not done, the precipitate should be re-dissolved with the least quantity of water, a few drops of hydrochloric acid added, and the precipitation repeated in the original solution. The filtrate is transferred to a weighed platinum dish and evaporated.... The American Journal of Science - Seite 1091892Vollansicht - Über dieses Buch
| Chemical Society (Great Britain) - 1893 - 820 Seiten
...residue must be redissolved in a few drops of acid, and once more boiled with amyl alcohol ; the nitrate is transferred to a weighed platinum dish and evaporated. Water is added before all the alcohol hn.s been ex pulled, and the evaporation continued. Finally a slight excess of sulphuric... | |
| 1901 - 392 Seiten
...should be re-dissolved with the least quantity of water, a few drops of hydrochloric acid added, and the precipitation repeated in the original solution....weighed, and the treatment with sulphuric acid is repealed. The residue of insoluble chlorides may be transferred to the weighed perforated crucible,... | |
| 1907 - 874 Seiten
...redissolved with the least possible quantity of water, a few drops of hydrochloric acid added, and the precipitation repeated in the original solution....evaporated. Water is added before the alcohol has l>een expelled, and the evaporation continued. The residue is dissolved s. KA. Tier. Dcutsch. chem.... | |
| Henry Gannett - 1906 - 644 Seiten
...redissolved with the least possible quantity of water, a few drops of hydrochloric arid added, and the precipitation repeated in the original solution....Water is added before the alcohol has been expelled, und the evaporation continued. The residue is dissolved a WOlfing. EA, Her. Deutsch. chem. (Jescll.,... | |
| Geological Survey (U.S.) - 1907 - 220 Seiten
...redissolved with the least possible quantity of water, a few drops of hydrochloric acid added, and the precipitation repeated in the original solution....the evaporation continued. The residue is dissolved aWiilfing, EA, Ber. Deutsch. chem. Gescll., vol. 32, 1899, p. 2214. The neutral carbonate is prepared... | |
| William Francis Hillebrand - 1907 - 212 Seiten
...drops of hydrochloric acid added, and the precipitation repeated in the original solution. The nltrate is transferred to a weighed platinum dish and evaporated....the evaporation continued. The residue is dissolved aWiilfing, £. A., Bcr. Deutsch. chem. Gesell., vol. 32, 1899, p. 2214. The neutral carbonate is prepared... | |
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