If the calcination be continued it becomes yellow, and at last of a beautiful red.
In both cases, the residue after calcination is a fine, reddish clay.
These are the ising glass, the earthen ware, the charcoal, and the calcination of the bones by fire.
calcination of the second matt, or fine metal of the smelter.
The bones lose upon the average about one half of their weight in the calcination.
They had been collected for the purpose of undergoing the process of calcination.
But where calcium and magnesium bisulphites are used, the residue from calcination is practically without value.
calcination of the Ore.—Having arranged a proper mixture of ores in the yard, it is weighed out in boxes to the calcining-men.
The finest Indian red, or crocus, usually undergoes a second calcination, in which it is exposed to a very intense heat.
By calcination, a greater degree of intensity may be imparted to the colour, and perhaps a little more solidity.
calcine cal·cine (kāl-sīn, kāl'sīn)
v. cal·cined, cal·cining, cal·cines
To heat a substance to a high temperature but below the melting or fusing point, causing loss of moisture, reduction, or oxidation and the decomposition of carbonates and other compounds.
The process of heating a substance to a high temperature but below the melting or fusing point, causing loss of moisture, reduction or oxidation, and dissociation into simpler substances. The term was originally applied to the method of driving off carbon dioxide from limestone to obtain lime (calcium oxide). Calcination is also used to extract metals from ores.