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Updated: June 14, 2025
Among the symptoms attributed to muriatic acid are these: a catarrh, sighing, pimples; "after having written a long time with the back a little bent over, violent pain in the back and shoulder-blades, as if from a strain," "dreams which are not remembered, disposition to mental dejection, wakefulness before and after midnight." I might extend this catalogue almost indefinitely.
Among the symptoms attributed to muriatic acid are these: a catarrh, sighing, pimples; "after having written a long time with the back a little bent over, violent pain in the back and shoulder-blades, as if from a strain," "dreams which are not remembered, disposition to mental dejection, wakefulness before and after midnight." I might extend this catalogue almost indefinitely.
In a report of a poisoning case now on trial, where we are told that arsenic enough was found in the stomach to produce death in twenty-four hours, the patient is said to have been treated by arsenic, phosphorus, bryonia, aconite, nux vomica, and muriatic acid, by a practitioner of what school it may be imagined.
This is one form; and side by side with it comes another, dealt with here and there, but as a rule ignored, vapors as deadly as dust; vapors of muriatic acid from pickling tins; of choking chlorine from bleaching-rooms; of gas and phosphorus, which even now, where strongest preventives are used, still pull away both teeth and jaws from many a worker in match-factories; while acids used in cleaning, bleaching-powders, and many an industry where women and children chiefly are employed, eat into hands and clothing, and make each hour a torture.
Add a teaspoonful of muriatic acid to a pint of water, and place the mixture in a shallow earthen dish. Scrape and clean a chicken's leg bone, part of a sheep's rib, or any other small, thin bone. Soak the bone in the acid mixture for a few days.
BLEACHING OF STRAW. This is generally done by the fumes of sulphur, in a place enclosed for that purpose: but to render the straw very white, and encrease its flexibility in platting, it should be dipped in a solution of oxygenated muriatic acid, saturated with potash. Oxygenated muriate of lime will also answer the purpose.
The presence of carbonate of lime in a rock may be ascertained by applying to the surface a small drop of diluted sulphuric, nitric, or muriatic acid, or strong vinegar; for the lime, having a greater chemical affinity for any one of these acids than for the carbonic, unites immediately with them to form new compounds, thereby becoming a sulphate, nitrate or muriate of lime.
M. Cordier found several crevices, the heat of which was that of boiling water. It might be thought that these vapours, which are emitted in gusts, contain muriatic or sulphurous acid; but when condensed, they have no particular taste; and experiments, which have been made with re-agents, prove that the chimneys of the peak exhale only pure water.
A white substance is now left undissolved; it is a compound of muriatic acid and lead, which, when heated, changes its colour, and forms Turner's yellow; a very beautiful colour, much in use among coach-painters. Wash the surface of the wood with weak alum-water, after being well sand-papered; then go over it with linseed oil, coloured with murat amber and red lead.
Put an egg-shell crushed fine, into a glass of water made acid by a teaspoonful of muriatic acid. After an hour or so the egg-shell will disappear, having been dissolved in the acid water. In like manner the blood holds various minerals in solution. Experiment 101. To hear the sounds of the heart. Locate the heart exactly. Borrow a stethoscope from some physician.
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