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It was afterwards, by the French nomenclaturists, termed oxygenated muriatic acid, conceiving it to be a compound of oxygen and muriatic acid. In 1840-41, this gas vas employed for accelerating the operation of light upon the iodized Daguerreotype plate. John Goddard, Wolcott & Johnson, Claudet, Draper, Morse and others, were among the first made acquainted with its use.
MATTRASSES. Cushions, mattrasses, and bed clothes stuffed with wool, are particularly liable to be impregnated with what is offensive and injurious, from persons who have experienced putrid and inflammatory fevers, and cannot therefore be too carefully cleaned, carded, and washed. It would also be proper frequently to fumigate them with vinegar or muriatic gas.
Fatal Dose. Two drachms. Fatal Period. Shortest, one hour and three-quarters in an adult; in infants in a few minutes, from suffocation. =Hydrochloric Acid=, muriatic acid, or spirit of salt, is not uncommonly used for suicidal purposes, being fifth in the list. Method of Extraction from the Stomach. The same as for sulphuric acid.
Sylvester, however, in a paper published in Mr. Nicholson's journal for last August, states that though no fixed alkali or muriatic acid appears when a single vessel is employed, yet that they are both formed when two vessels are used.
There are numerous other interesting experiments that can be performed by the aid of iodine, but it is unnecessary here to consume more space. History. The Swedish chemist, Scheele, in 1774, while examining the action of hydrochloric acid on peroxide of manganese, first noticed this element. He called it dephlogisticated muriatic acid.
Under the blowpipe it immediately becomes white, and emits a strong animal odour, like that from fresh shells. It is chiefly composed of carbonate of lime; when placed in muriatic acid it froths much, leaving a residue of sulphate of lime, and of an oxide of iron, together with a black powder, which is not soluble in heated acids.
"It had to be cut off," pursued Entrefort, "not only because it would be troublesome and an undesirable ornament, but also because it was advisable to remove every possibility of its withdrawal." Arnold said nothing. "Here is a prescription," said Entrefort; "take the medicine as directed for the next five years without fail." "What for? I see that it contains muriatic acid."
In this first part of the process, the action of sulphuric acid produces muriatic acid to the extent of one-and-a-half the amount of the sulphuric acid employed. At first, the profit upon the soda was so great, that no one took the trouble to collect the muriatic acid: indeed it had no commercial value.
It says in one of them that muriatic acid, the chemical agent by which the stomach dissolves the food, is probably obtained from muriate of soda, which is common salt contained in the blood. Isn't that interesting? And it says that pleasure not excitement, you know is the result of the action of living organs, and it goes on to explain it. Shall I read it to you?"
Ink spots and iron moulds may be removed, by rubbing them with the salt of sorrel, or weak muriatic acid, and laying the part over a teapot or kettle of boiling water, so that it may be affected by the steam. Or some crystals of tartar powdered, and half the quantity of alum, applied in the same manner, will be found to extract the spots.
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