The bleeding is allowed to cease, and the cavity having been wiped out clean, a stick of caustic potass is applied to the surface, so as to annihilate the cyst effectually.
An eschar is made by the caustic potass applied to the skin, or by rubbing the bichloride of mercury, or any other caustic, into scarifications made by the lancet: the slough separates, and pus is discharged.
The knife and potass are required, for reasons assigned in the preceding part of this work; and the detached glands, as well as the thinned skin, stand in need of their free application.
The application of potass has been recommended; and this caustic is certainly sufficiently powerful to destroy the diseased parts; but its use is attended with danger from profuse hemorrhage.
In sinus, as well as in chronic abscess, the potass is of essential service; a stick of it may be introduced into the canal, and if the sinus is superficial, the integuments may be divided by this caustic as effectually as by the knife.
The only effectual and radical cure is the application of a finely-pointed piece of caustic potass to the interior of the cyst, after discharge of the contents and cessation of bleeding.
When the varicose veins are numerous, as is generally the case, the potass is to be applied to the healthy point of the larger trunk in which they terminate.
Caustic is used with safety to destroy those parts which cannot be detached, and for this purpose the potass is to be preferred.
If indolent swelling of the cellular tissue, and spongy thickening of the synovial surface of the bursa, remain after incision, the application of the caustic potass may be required.
The potassis best used in the solid form and well pointed; not in paste, as is sometimes practised.
Our ashes produced a potass of fine colour, and we did not doubt of succeeding, when we should have sent a sample of it to France.
A short while after her death my father received a letter from the chemist at Paris, informing him that the sample of potass which he had sent to France was nothing but marine salt, and some particles of potass and saltpetre.
The nitrate of potass in these cases has the best effects, either in farthering the effects of the bleeding, or removing the necessity of using so powerful a remedy.
Dissolved in sulphuric acid no change ensues; but on adding a fragment of bichromate of potass to the solution a series of blue, violet, purple and red tints are produced.
Melt a small quantity of the sulphate of potass and copper in a spoon over a spirit-lamp; it will be fused at a heat just below redness, and produce a liquid of a dark green colour.
Mix a little chlorate of potass with spirit of wine in a strong saucer; add a little sulphuric acid, and an orange vapour will arise and burst into flame.
With the evidence of a dentist (Pedley) who had attended the prisoner about the middle of February last, and recommended the use of chlorate of potass for foulness of breath, the evidence for the defence was closed.
All that the experiment proves is, that chlorate of potass does not eliminate the whole of the arsenic, because it eliminated all but half a grain.
Reinsch’s test for arsenic was reliable where chlorate of potass was not present.
Small glass globules, containing sulphuric acid, were introduced into the composition of chlorate of potass and sugar, which, when broken, set fire to the mixture and lighted the match.
It is produced by making pure potass a part of the circuit of a powerful Voltaic battery.
Boil half a pound of granulated tin, and six ounces of super tartrate of potass in three pints of water; when they have boiled half an hour, put in any piece of copper ware, and continue the boiling fifteen minutes longer.
If two grains of chlorate of potass in powder and one of sulphur be mixed together, and wrapped in a piece of strong paper, and the paper be then struck with a hammer, it will also explode with detonation.
On the same principle, a solution of super-carbonate of potasswill detect lime.
Note 2: The silicate of potasswas manufactured at a glass-house, by fusing equal parts of pearl-ash and sand.
Note 1: The silicate ofpotass was manufactured at a glass-house, by fusing equal parts of pearl-ash and sand.
A mixture of potass bichromate and hydrochloric acid gives silver chloride, as does also a solution of chlorine, though in the former case the presence of the chromium compounds affects the color obtained.
It should probably be deducted from the copper, which in the state of oxide is not easily deprived of the whole of the potass employed to precipitate it, and is liable, moreover, to retain a little moisture even when it appears quite dry.
The solution of copper which passed through the filter was precipitated by solution of caustic potass added in excess, and kept at the boiling point till the oxide of copper became dark brown.
The presence, accordingly, of potass or water, or both, increases the apparent weight of the copper.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "potass" in a variety of sentences. We hope that you will now be able to make sentences using this word.