If it be not white enough, let it calcine for three or foure houres in a pot of earth not leaded, after dissolve it in the second water, filter and congeale it, and keep it in a dry place, for this is salt fix and fusible.
But if in the dissolving there be aqua fortis, it sufficeth to calcine it.
The first, for that excuseth you of labour, and length of time, to calcine them, and make them dissoluble.
We may too well say, that the preparation of this body, that Riplay intends silver, is to calcine and reduce it into salt, which is done after this manner.
Calcine ferrous sulphate until the water of crystallisation is expelled, then roast it with a strong fire until acid vapours cease to rise; cool, wash the residuum with water until the latter ceases to affect litmus, and dry it.
So that, by prosecuting the matter further, you would only calcine and destroy the Regulus to no manner of purpose.
This compound hath been exposed to a fire sufficient, not only to dry it, but even to calcine it.
Nothing more is required than to expose the mass compounded of the perfect metals and other metalline substances to a degree of heat sufficient to calcine whatever is not either Gold or Silver.
If they remain there a year without any sensible change, calcine them, and then leave them exposed to the air, till a bit thereof being put on the tongue imparts an astringent aluminous taste.
Again evaporate the moisture to perfect dryness: then increase your fire, and calcine the matter for half an hour.
It is necessary the Copper should melt as soon as it is in the cupel, because its nature is to calcine much more easily and much sooner, when it is only red-hot, than when it is in fusion.
Calcine the Vitriol to redness: reduce it likewise to a very fine powder; and mingle these two substances well together.
Calcine oyster-shells, pound them, sift them through a silk sieve, and grind them on porphyry till they are reduced to the finest powder.
Gautier has proposed tocalcine three parts of dry blood with one of nitre; with what advantage to the manufacturer, I cannot discover.
Dry the precipitate, calcine it, and calculate the proportion of bromine from the volume of oxygen gas now disengaged.
The first owe their origin to the sediments carried away and deposited by the sea, and should be distinguished into those which being assayed in the fire, calcine and are reduced into lime, and those which fuse and are convertible into glass.
These mirrors may be used with advantage to calcine plaisters, and even calcareous stones, but they would require to be larger, and the matters placed in an elevated situation, that nothing might be lost by the obliquity of the light.
But a very essential matter remains doubtful, that is, to know how much time would be requisite, for example, to calcine a cubical foot of matter, especially if that foot were struck with the heat only in one part.
I have found by an experiment repeated three times, that very little more heat is required to calcine white gypsum, called alabaster, than to melt lead.
Gypsous matters do not require so much fire to calcine as calcareous, and it is for this reason that, although more dense, they heat and cool much quicker.
Some vanners calcine their samples before commencing to van.
Transfer the filter and its contents to an E Battersea crucible, and calcine it for a few minutes.
Weigh up 1 or 2 grams in a dish and calcine in the muffle till the carbon is burnt off.
The process is as follows:--Weigh up 5 grams of the ore, and calcine thoroughly on a roasting dish in the muffle.
Heat gently with a Bunsen burner until the sulphur burns, and then calcine until no more sulphurous oxide comes off.
In assaying ores containing a large proportion of pyrites or mispickel, or both, the best plan is to take a portion and calcine so as to convert it into a product of the kind just considered.
Shake back into the mortar, rub up with about 1 gram of powdered anthracite, and re-calcine for 10 minutes longer.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "calcine" in a variety of sentences. We hope that you will now be able to make sentences using this word.
