Metallic potassium was obtained like sodium; first by the action of a galvanic current, then by reduction of the hydroxide by means of metallic iron, and lastly, by the action of charcoal on the carbonate at a high temperature.
Metallic iron itself is capable of reducing carbonic anhydride to carbonic oxide, just as it liberates the hydrogen from water.
It is true that the former salts are easily formed by the direct action of metallic iron on acids, and the latter only by a further oxidation of the compound formed already; but this is not always so.
The precipitation of metallic copper from the solution of its chloride is accomplished in large tanks by means of metallic iron in the same way that cementation copper is obtained from solutions of the sulphate.
The number of grains of metallic ironused to form the solution, multiplied by 1.
One of the oldest processes of this kind, is that known as the 'cementation' method, and consists in precipitating copper from a solution of the sulphate of the metal, by means of metallic iron.
A meteorite characterized by the presence of but a small amount of metallic iron.
By these means the hydrogen combines with the oxygen of the oxides, which are thus reduced to metallic iron.
The ring also affords a test, for an iron object, of which the greatest part is metallic iron, gives a clearer note when struck than one which is chiefly rust.
This preparation, which consists of metallic iron in a fine state of division mixed with a variable amount of magnetic oxide of iron, is made by passing perfectly dry hydrogen over peroxide of iron heated to redness in a gun-barrel.
Its external colour is a gray approaching to that of metallic iron, but somewhat duller; with occasional iridescence of surface.
Oxidized substances cannot exist in metallic iron, and the foreign substances it does contain are present in such small quantities, that it is somewhat difficult to determine their amount.
Professor Andrews many years ago established the presence of minute particles of metallic iron in some basalts; Dr.
Johnston-Lavis has announced the find of an enclosure of metallic iron in a leucitic lava of Monte Somma; Dr.
Beckenkamp has described nodules of metallic iron found in clay at Dettelbach, near Wuerzburg; and Dr.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "metallic iron" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
