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Updated: May 14, 2025
When the chica is subjected to distillation, it yields no sensible traces of ammonia. It is not, like indigo, a substance combined with azote. It dissolves slightly in sulphuric and muriatic acids, and even in alkalis. Ground with oil, the chica furnishes a red colour that has a tint of lake. Applied to wool, it might be confounded with madder-red.
This as an accelerating agent is by many considered superior to the other Bromide combinations. It can be readily prepared by passing a current of chlorine through a vessel containing bromine. A mixture of two parts muriatic acid and one of black oxide of manganese, should be put into a flask having a bent tube to conduct the chlorine vapor into the bromine in another vessel.
It is so easily made that every operator can provide himself with it in a short time, and at little expense. Chloride of Gold. Is prepared by dissolving gold in aqua regia, a composition of one part of nitric to two parts of muriatic acid.
This phenomenon, analogous to that which I observed in the crater of Jorullo, deserves the more attention, as muriatic acid abounds in the greater part of volcanoes, and as M. Vauquelin has discovered it even in the porphyritic lavas of Sarcouy in Auvergne. I sketched on the spot a view of the interior edge of the crater, as it presented itself in the descent by the eastern break.
Faraday to expose the hydrate of chlorine in a closed glass tube, it occurred to me that one of three things would happen: that decomposition of water would occur;... or that the chlorine would separate in a fluid state. Davy, moreover, immediately applied the method of self-compressing atmosphere to the liquefaction of muriatic gas.
As experimental discovery advanced, the substances classed with acids have been constantly multiplying, and by a natural consequence the attributes connoted by the word have receded and become fewer. The true analysis of muriatic acid, into chlorine and hydrogen, caused the second property, composition from a base and oxygen, to be excluded from the connotation.
Some of our compounds for producing fertility may perhaps be as absurd as it would be to give muriatic acid to a man troubled with indigestion, because free muriatic acid is found in the stomach of a healthy person. Let me recommend you to try both silex and magnesia in a soluble state, and I think you will be satisfied with the benefit derived from their use.
First, stain in tallow, then take of spirits of turpentine 1 pint, cream of tartar 1 oz., soda 1 oz., gum shellac 1/2 oz., thick paste reduced thin 2 qts. Mix well. This will finish 24 sides. The antidotes for poisoning with the strong mineral acids, such as nitric, muriatic, sulphuric, or oxalic acids are magnesia, chalk, whiting, in milk or water; mucilaginous or soapy liquids.
The solution may be evaporated to dryness, and one part of the salt dissolved in six of water; one part of muriatic acid, sp. gr. 1.15, is then added, and the solution distilled, when the whole of the hydrocyanic acid passes over, and by being conducted into a solution of potassa, as in the former process, forms cyanuret of potassium.
The muriatic acid of commerce has usually a yellowish tinge, but when chemically pure it is colorless. The former is commonly contaminated with sulphurous acid, sulphuric acid, chlorine, iron, and sometimes with arsenic. Muriatic acid, from the fact of the presence of the chlorine, is used in the Daguerreotype process for dissolving gold, and in combination with various accelerators.
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