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But to get the full benefit of this, the alcohol and the iron perchloride must both be free from water; it is therefore advisable to use the salt in crystals which have been thoroughly dried, and the alcohol of a strength of 95 deg.. The following is the formula: Perchloride of iron, well dried 50 gr. Alcohol at 95 deg. 100 "
You can see the other surgeons, bibbed and sleeved, the Irishman, small and dark and wiry, sousing a lethal array of sharp and gleaming implements in a glass bath of carbolic; Taggart, standing at a glass table, rubber-wheeled and movable, like everything else for use, and laden with rolls of lint and bandaging, and blue-glass bottles of peroxide of hydrogen and mercurial perchloride, daintily returning reels of silk-worm-gut and bobbins of silver wire to their velvet-lined case.
The dissolving of the fused mass in hydrochloric acid does not need to be carried to dryness for the separation of the soluble silica, but the boiling, after the addition of a little nitric acid, is only kept up until the iron passes into perchloride and the manganese into protochloride.
And if, as you tell me, there is some mercurial perchloride, Taggart and the Medical Staff will jump for joy. What we owe to Lister, Koch, and those fellows! You'd say so if you'd ever seen gangrene on War Hospital scale in Afghanistan, in 1880, even as recently as the Zululand Campaign of 1888.
Meconic acid gives a blood-red colour with perchloride of iron, not discharged by corrosive sublimate or chloride of gold. The similar colour produced by sulpho-cyanide of potassium and perchloride of iron is discharged by chloride of gold and corrosive sublimate. =Morphine Habit.= Individuals who have acquired this habit take the drug usually by hypodermic injection.
They'll be worse before they're better. That was my morning's flutter. This afternoon I found the huts these gentlemen call their homes. I knocked holes in the roofs per usual, burnt everything that wasn't wood, let in the light o' heaven, and splashed about limewash and perchloride. That's my day's tot-up. Any particular trouble?" he added, eyeing Fielding closely.
A watery solution of savin strikes deep green with perchloride of iron, and if an infusion of the twigs has been taken the twigs may be detected with the microscope. The twigs obtained from the stomach, dried and rubbed between the finger and thumb, will give the odour of savin.
Excellent results have been obtained from glass negatives by this process. Proc. Eng. Club, Phila. The following process for making photographic copies of drawings in blue lines on white background was invented by H. Pellet, and is based on the property of perchloride of iron of being converted into protochloride on exposure to light.
If we dissolve black oxide of manganese, permanganate of potash, or any other compound of manganese of a higher degree of oxidation than the protoxide in hydrochloric acid, we obtain, as is well known, a dark colored solution of perchloride of manganese, which, when heated to boiling loses color pretty rapidly, chlorine being given off, until finally only protochloride remains.
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.
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