On being allowed to repose, it deposited a white powder, which was found on examination to possess the external characters and all the chemical properties peculiar to arsenious acid, that is, the common white arsenic of the shops.
If arsenic has been given in the solid form, the greater part will remain insoluble, and will be found either in lumps or powder in the stomach, or as a white powder adhering to its lining.
Mercury decomposes it, and a white powder (calomel) is formed, while the azote is set at liberty.
Oxalic acid does not act on mercury, but dissolves its oxide, and forms with it a white powder.
A white fume then begins to undulate on the surface of the liquor, and a white powder precipitates, which is the fulminating mercury.
When sulphate of copper is heated, it is converted into a bluish-white powder.
If the water of crystallisation be removed by heating the crystals to redness, a colourless anhydrous substance is obtained (a white powder).
It presents the appearance of a white powder, nearly insoluble in water, and rapidly passing to a higher state of oxidation by exposure to the air.
Chloride of lime is a pale, yellowish-white powder, generally more or less damp, and evolving a chlorine-like odour of hypochlorous acid.
May be precipitated from ferrous solutions as a white powder, by alkaline hydrates.
A white powder obtained by precipitating ferric chloride by sodium phosphate.
It is a white powder, insoluble in water, although it readily dissolves in acids, being decomposed by them and converted into soluble acid phosphates, as explained in connection with the acids of phosphorus.
The resulting calcium carbonate (CaCO{3}) is insoluble in water and separates in the form of a white powder, which causes the solution to appear milky.
It is a white powder, very soft and light, and is unchanged by heat even at very high temperatures.
It is a yellowish-white powder made by burning sodium in air.
When newly precipitated alumina is boiled in a solution of alum, a portion of the earth enters into combination with the salt, constituting an insoluble compound, which falls in the form of a white powder.
A white powder remained, amounting to about one-tenth of the matter employed, and which was found to be alumina.
The two salts exchange bases, and a protochloride of mercury precipitates in a white powder, which, after being digested for some time in the acidulous supernatant liquor, is to be washed with the greatest care in boiling water.
If the solution be too strong, the bronzing comes off with friction, or the copper gets covered with a white powder, which becomes green by exposure to air, and the labour is consequently lost.
In a case which Schauenstein has recorded[439] he found strychnine still undissolved, coating the stomach as a white powder; but this is very unusual, and I believe unique.
Commercial strychnine is met with either in colourless crystals or as a white powder, the most usual form being that of the alkaloid itself; but the nitrate, sulphate, and acetate are also sold to a small extent.
Morphine occurs in commerce as a white powder, sp.
The oxide of zirconium, obtained as a white powder, and possessing both acid and basic properties.
C, it loses about two-thirds of this water, yielding a white powder known as plaster of Paris.
Lead Sulphate, the chief impurity of commercial oil of vitriol, is a white powder which is very often used for making white paint in place of lead carbonate (white lead).
It is a fine, white powdersimilar in appearance to the efflorescence on soda crystals.
Bismuth sulphate, Bi2(SO4)3, is obtained as a white powder by dissolving the metal or sulphide in concentrated sulphuric acid.
The Hydrate, Bi(OH)3, is obtained as a white powder by adding potash to a solution of a bismuth salt.
When sparingly moistened with water, it slakes, becomes heated, and forms a dry, white powder.
In the pure state this oxide is a white powder, is fusible at a dull red heat to a yellow liquid, which, after cooling, is greyish-white and crystalline.
In the pure state, oxide of zinc is a white powder, infusible, and not volatile.
A complex nitrogenous substance related to urea and uric acid, produced as a white powder; -- so called because it forms yellow salts, and because its solution forms a blue fluorescence like quinine.
A drop of sulphuric acid, precipitates barites in the form of a white powder.
A white fume will soon begin to undulate on the surface of the liquor, and flow through the neck of the flask, and a white powder will be gradually precipitated.
It absorbs the acid, and remains united with it in the form of a white powder, at the bottom of the vessel, while the liquor has hardly any taste, and shews only a very light cloud upon the addition of alkali.
The greatest part of the earth now left in the filtre is calcarious, and the liquor which passed thro', if mixed with a dissolved alkali, yields a white powder, the largest portion of which is a true magnesia.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "white powder" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.