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Updated: June 27, 2025
You're trying to boil off your various fractions, and unless you keep an even and controlled temperature you are going to have a mixed brew. The thing you want for your engines are the most volatile fractions, the liquids that boil off first like gasoline and benzene.
Accordingly hydrogen is taken up, and we get C H NH formed, which is aniline. Benzene from coal-tar is warmed with nitric acid in a flask. A strong action sets in, and on adding water, the nitrobenzene settles down as a heavy oil, and the acid water can be decanted off. To show you that aniline is formed, I will now produce a violet colour with it, which only aniline will give.
Filippa looked very wise, pointed to her indigo skirt, and continued: "You get your dyes from the benzene of coal tar, but they do not stand washing or sunlight, as well as our bright and strong vegetable dyes. We take our indigo plant, and steep the leaves in water for twelve hours, in a stone tank. Then Fil drains off the yellow liquor. This soon turns green.
The 12 gallons of tar yield 1-1/10 lb. of benzene, 9/10 lb. of toluene, 1-1/2 lb. of carbolic acid, between 1/10 and 2/10 lb. of xylene, 6-1/2 lb. of naphthalene, and 1/2 lb. of anthracene, whilst the quantity of pitch left behind is 69-1/2 lb.
Reduction of Lever- Conversion to Lever- Reduction of A.G.F.A. Phenyl arjinic kusen Diphenylar- kusen Diphenylar- Hochst acid to Phenyl and sinic acid by and sinic acid to arsenious oxide Hochst treatment Hijchst Diphenyl: with Diazo chlor-arsine benzene by Sulphur dioxide in HCl solution Ethyl arsinic wigs- Ethyl arseni acid to Ethyl hafen ous Oxide to
A sentry challenged her and when she had passed him she had arrived at the door of her German lodging. Climbing the stairs a slow breeze of excitement filled out the sails of her spirit. "My silk stockings ... my gold links, and my benzene bottle!" she murmured happily. Now that of all her life she had the slenderest toilet to make three hours was the time she had set aside for it!
Benzoline is highly inflammable, and is often called mineral naphtha, petroleum naphtha, and petroleum spirit. Benzoline is not the same as benzene or benzol, which is one of the products of the dry distillation of coal. From its very general use as a fuel in motor-cars many accidents have happened from inhaling the vapour of petrol.
The oxygen is taken up by the iron to give oxide of iron, and benzene is obtained, thus: C H OH gives O and C H . But there is another hydrocarbon called naphthalene, C H , and this forms not one, but two phenols.
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