If potassa is then added to the solution, it combines with the bromine and, upon evaporating the decanted fluid, calcining the residue, and treating it with water, a solution of bromide of potassium is obtained.
The potassa and soda are separated from the other salts present by filtering and evaporating the alcoholic solution to dryness and then calcining the residue in a silver crucible.
Those mineral substances that are soluble in alcohol are detected by calcining the suspected sample: pure sulphate of quinine is completely consumed; whereas, the mineral substances present remain behind as a residue.
The addition of common salt naturally increases the proportion of ash left upon calcining bread.
According to the purposes to which they are applied, reverberatory furnaces may be classed into two groups, namely, fusion or melting furnaces, and calcining or wasting furnaces, also called calciners.
Impure triphosphate of calcium, obtained bycalcining bones to whiteness, and reducing the ash to fine powder.
The most powerful charcoal is prepared bycalcining blood, and well washing the residue, and which is the method of the last 'London Pharmacop[oe]ia.
Portland and hydraulic cements are prepared by calcining siliceous limestones or a mixture of limestone and clay.
The subchromate of lead gives a very bright red, but it is very unsafe and mixes badly; the reds made by calcining the common sulphate of iron are preferred.
The fumes given off in calcining are condensed in chambers for the purpose, and deposited in a snow-white powder.
From the Cheesewring, about two and a half miles distant, a line of rails was carried to just above this singular village, and there abandoned.
Its story shall be told in the chapter on Penzance.
The second point of importance is thorough calcining before smelting.
This induced him to make some experiments by calcining them, and he at length obtained alum.
A kind of minium, or red lead, made by calcining carbonate of lead, but inferior to true minium.
The Peter Spence type of calcining furnace has been followed in a large number of inventions.
The conversion of copper sulphide into the chlorides may be accomplished by calcining with common salt, or by treating the ores with ferrous chloride and hydrochloric acid or with ferric chloride.
Shaft calcining furnaces like the Gerstenhoffer, Hasenclever, and others designed for burning pyrites fines have not found favour in modern copper works.
Shaft calcining furnaces are available for fine ores and permit the recovery of the sulphur.
For shame, you pretty female elves, Cease for to candy up your selves; No more, you sectaries of the game, No more of your calcining flame!
The workmen entrusted with the calcination convey the ore into the hoppers of the calcining furnace, whence it falls into the hearth; other workmen spread it uniformly on the surface by iron rakes.
The first is prepared by calcining at a dull red heat, a mixture of ferro-cyanide of potassium (prussiate of potash) and black oxide of manganese.
Great care ought to be taken that no metallic particles be left in the oxide, and that the calcining heat be as low as is barely sufficient; for a strong fire frits the powder, and obstructs its subsequent comminution.
The furnaces employed for this purpose are in general analogous to thecalcining ones; but in the smelting works of Hafod, the property of Messrs.
Even the best regulated calcining piles are apt to burn too briskly in high winds, and should have their draught-holes carefully stopped under such circumstances.
A reverberatory furnace or calcar, for calcining or fritting the materials; 2.
The calcining process is different, according as the animal substances are fresh or carbonized.
In calcining these pencils in the crucible, the contact of air must be carefully excluded, to prevent the lamp-black from being burned away on the surface.
These calcining furnaces are sometimes built alongside of the zinc smelting-furnaces, and are heated by the waste flame of the latter.
A square, hollow place on the back of a calcining furnace, where tin ore is laid to dry.
A cement having the color of the Portland stone of England, made by calcining an artificial mixture of carbonate of lime and clay, or sometimes certain natural limestones or chalky clays.
Lead monoxide; a yellowish red substance, obtained as an amorphous powder, or crystallized in fine scales, by heating lead moderately in a current of air or by calcining lead nitrate or carbonate.
The metals, which are now regarded as elementary bodies, were considered compounds by the phlogistians, and they believed that the calcining of a metal was a process of simplification.
Since the carbonic oxide and hydrogen confer considerable heating power upon these gases, they are employed in some iron-works for heating steam-boilers, or for calcining the ore, or for raising the temperature of the blast.
A factitious article is prepared by calcining a mixture of colcothar and red ochre.
Lime water (prepared from lime made by calcining Carrara marble) is supersaturated by strong pressure with carbonic acid, so that the carbonate of lime at first thrown down is redissolved.
A species of mortar formed by calcining a mixture of limestone and argillaceous earth, and grinding the calcined mass to powder, in which state it must be preserved from the air.
The best jeweller's rouge is prepared by calcining the precipitated oxide until it becomes scarlet.
A refractory material used as a furnace lining, obtained by calcining the cinder or slag from the puddling furnace of a rolling mill.
Spanish feretto, a rich reddish brown pigment obtained by calcining copper and sulphur together in closed crucibles.
Defn: Lead monoxide; a yellowish red substance, obtained as an amorphous powder, or crystallized in fine scales, by heating lead moderately in a current of air or by calcining lead nitrate or carbonate.
Defn: A cement having the color of the Portland stone of England, made by calcining an artificial mixture of carbonate of lime and clay, or sometimes certain natural limestones or chalky clays.
Defn: A kind of minium, or red lead, made by calcining carbonate of lead, but inferior to true minium.
Chocolate Lead, or Marrone Red, is a pigment prepared by calcining oxide of lead with about a third of copper oxide, and reducing the compound to a uniform tint by levigation.
Even the method of burning or calcining lime is not described by Pliny; though there can be no doubt that the ancients were acquainted with it.
One sulphur is less fixed, because in calcining it gives out a stench as sulphur.
Lavoisier's theory, that during combustion and calcination, oxygen united with the burning and calcining body.
But after that principle had been discovered, and shown to be a constituent of atmospherical air, he soon recognised that it was the union of oxygen with the burning and calcining body that occasioned the phenomena.
Though several Persons have pretended to know the Art of preparing and calcining the Bononian Stone, for keeping a while the Light once imbibed; yet there hath been indeed but one, who had the true secret of performing it.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "calcining" in a variety of sentences. We hope that you will now be able to make sentences using this word.
