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Updated: June 13, 2025
The principal constituent of these dentrifices is a powerful acid, and there are some which contain large quantities of sulphuric acid, one single application of which will destroy the best teeth in the world. The "hair dyes," advertised under so many different names, contain such poisons as nitrate of silver, oxide of lead, acetate of lead, and sulphate of copper.
I have shown that malate of lime ferments readily enough through the action of yeast, and that it splits up into three other calcareous salts, namely, the acetate, the carbonate and the succinate. If the action of yeast consists in its increase and multiplication, it is difficult to conceive this action in the case of malate of lime and other calcareous salts of vegetable acids."
If alcohol, sulphuric acid, and acetic acid are heated together, acetic ether, we know, is formed. Pabst has shown that it takes place in three stages. In the first stage, ethyl sulphuric acid and water are formed; in the second, acetate of ethyl with the reproduction of sulphuric acid, which again converts a fresh quantity of alcohol into ethyl sulphuric acid.
The most suitable methods for the detection of magenta are those given by Romei and Falieres-Ritter. If a wine colored with archil and one colored with cudbear are treated treated according to Romei's method, the former gives, with basic lead acetate, a blue, and the latter a fine violet precipitate. The filtrate, if shaken up with amylic alcohol, gives it in either case a red color.
Concentrate the solution of meconic acid, allow a portion to crystallize, and apply tests. Tests. Morphine and its acetate give an orange-red colour with nitric acid, becoming brighter on standing; decompose iodic acid, setting free iodine; with perchloride of iron, gives a rich indigo-blue; with bichromate of potassium, a green turning to brown.
My letter will probably be forwarded to you in Paris, and reach you as quickly as this one. It is only a question of writing a line to your brother, if that does not bother you. Pray, what is this obstinate cough? There is only one remedy, a minimum dose, a half-centigram of acetate of morphine taken every evening after digesting your dinner, for a week at least.
From this oleic acid was obtained. This was further purified by forming the Boreum salt of oleic acid. The lead salts not soluble in ether were decomposed by acid. The fatty acids set free were saponified by carbonate of potassium. A fractional precipitation was effected by adding lead acetate in successive portions; each portion sufficient to precipitate one-fourth of all the acids present.
There may be added to the boiler, C, certain materials for purifying the acetic acid, such as permanganate of potassa or acetate of soda, so as to obtain an absolutely pure article. Dingler's Polytech. Journal. We illustrate the field kitchens of Captain J.C. Baxter, R.E., in the Inventions Exhibition.
The large exception of opium, wine, specifics, and anaesthetics, made in the text, takes off enough from the useful side, as I fully believe, to turn the balance; so that a vessel containing none of these, but loaded with antimony, strychnine, acetate of lead, aloes, aconite, lobelia, lapis infernalis, stercus diaboli, tormentilla, and other approved, and, in skilful hands, really useful remedies, brings, on the whole, more harm than good to the port it enters.
Frederick Everett's apartments, and behind one of the drawers of a cabinet in his bedroom at the back of the shelf or partition upon which the drawer rested, and of course completely hidden by the drawer itself when in its place was found a flat tin flask, fluted on the outside, and closed with a screw stopper: it was loosely enveloped in a sheet of brown paper, directed " Everett, Esq., Woodlands Manor-House, Yorkshire;" and upon close examination, a small quantity of white powder, which proved to be acetate of morphine, was found in the flask.
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