Plaster-of-paris Sentence Examples
Stannic sulphide, SnS 2, is obtained by heating a mixture of tin (or, better, tin amalgam), sulphur and sal-ammoniac in proper proportions in the beautiful form of aurum musivum (mosaic gold) - a solid consisting of golden yellow, metallic lustrous scales, and used chiefly as a yellow "bronze" for plaster-of-Paris statuettes, &c. The yellow precipitate of stannic sulphide obtained by adding sulphuretted hydrogen to a stannic solution readily dissolves in solutions of the alkaline sulphides to form thiostannates of the formula M 2 SnS 31 the free acid, H2SnS3, may be obtained as an almost black powder by drying the yellow precipitate formed when hydrochloric acid is added to a solution of a thiostannate.
Pharmacology And Therapeutics Of Zinc Compounds Zinc chloride is a powerful caustic, and is prepared with plaster of Paris in the form of sticks for destroying warts, &c. Its use for this purpose at the present day is, however, very rare, the knife or galvanocautery being preferred in most cases.
Bridgwater has a considerable coasting trade, importing grain, coal, wine, hemp, tallow and timber, and exporting Bath brick, farm produce, earthenware, cement and plaster of Paris.
This may be almost chemically pure, when it is generally used for Keene's cement; or it may contain smaller or greater quantities of impurities, in which case it is suitable for the preparation of cements of the plaster of Paris class.
The setting of plaster of Paris depends on the fact that when 2CaS04 H20 is treated with water it dissolves, forming a supersaturated solution of CaS04.2H20.Advertisement
The principles which govern the preparation and setting of the other class of calcium sulphate cements, that is, cements of the Keene class, are not fully understood, but there is a fair amount of knowledge on the subject, both empirical and scientific. The essential difference between the setting of Keene's cement and that of plaster of Paris is that the former takes place much more slowly, occupying hours instead of minutes, and the considerable heating and expansion which characterize the setting of plaster of Paris are much less marked.
Gypsum is exported unburnt from the Carpas, and as plaster of Paris from Limasol and Larnaca.
Calcium sulphate, CaSO 4, constitutes the minerals anhydrite (q.v.), and, in the hydrated form, selenite, gypsum (q.v.), alabaster (q.v.), and also the adhesive plaster of Paris (see Cement).
Alternatively, you can make a small amount of Plaster of Paris (which you can buy at any craft store), using liquid potpourri instead of water.
You can buy silicone bakeware in heart, flower and other fun shapes - then pour the liquid Plaster of Paris into the molds and let it dry completely.Advertisement
Make a small amount of plaster of Paris (You can buy the mix at any craft store), but substitute liquid potpourri for the water the directions call for.
Pour the liquid plaster of Paris into the molds, and let it dry completely.
In a clinical environment, plaster of Paris casts are used for immobilization.
Most belly casting kits use fast-drying plaster of Paris.
Casting animal tracks with plaster of Paris is both fun and educational.Advertisement
Add the plaster of Paris until it has the consistency of thick cream.
Pour the plaster of Paris around the outside of the track so that it flows into the track.
Into the mould left by the saint's body liquid plaster of Paris was run, and a perfect model obtained, showing the features of the youth, the cords which bound him, and even the texture of his clothing.
To produce plaster of Paris European practice consists in baking the mineral in ovens, and in America in heating it in kettles.
Mix up some plaster of Paris and coat the bulb, leaving it sitting on the large bottom part.Advertisement