Those of age to become pages were too old, for the beast twisted their impure hearts and made them attack us.
Powdered galena is dissolved in hot hydrochloric acid, the solution allowed to cool and the deposit of impure lead chloride washed with cold water to remove iron and copper.
- The only possible biose is glycollic aldehyde, CHO.CH20H, obtained impure by Fischer from bromacetaldehyde and baryta water, and crystalline by Fenton by heating dihydroxymaleic acid with water to 60°.
The ordinary impure metal dissolves at once, the more readily the less pure it is.
An impure form of the salt is prepared by roasting blende at a low temperature.
This is smelted with rich gold ores, notably those containing tellurium, for white metal or regulus; and by a following process of partial reduction analogous to that of selecting in copper smelting, " bottoms " of impure copper are obtained in which practically all the gold is concentrated.
Its elementary nature was imperfectly understood; and the impure specimens obtained by the early chemists explain, in some measure, its confusion with tin, lead, antimony, zinc and other metals; in 1595 Andreas Libavius confused it with antimony, and in 1675 Nicolas Lemery with zinc. These obscurities began to be finally cleared up with the researches of Johann Heinrich Pott (1692-1777), a pupil of Stahl, published in his Exercitationes chemicae de Wismutho (1769), and of N.
Berzelius, who prepared tantalic acid from the mineral tantalite in 1820, obtained an impure metal by heating potassium tantalofluoride with potassium.
For several years prior to 1902 Harrisburg suffered much from impure water, a bad sewerage system, and poorly paved and dirty streets.
The general sense is clear, that those who consume the holy food without a clear conscience, like those who handle sacred objects with impure hands, will suffer physical harm from its contact, as if they were undergoing the ordeal of touching a holy thing.
The impure spirit is blown out and the pure blown in.
Argillaceous brown iron ore is often known in Germany as Thoneisenstein; but the corresponding term in English (clay iron stone) is applied to nodular forms of impure chalybite.
"Alum cake" is an impure product.
The impure can neither stand nor sit with purity.
The authority of government, even such as I am willing to submit to--for I will cheerfully obey those who know and can do better than I, and in many things even those who neither know nor can do so well--is still an impure one: to be strictly just, it must have the sanction and consent of the governed.
Can I receive that pure liquid into an impure vessel and judge of its purity?