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Nitro Compounds

compounds which one or more atoms of hydrogen is plosives, dyes, sodium bicarbonate, and other products, while ammonia is widely used for refrigeration. The supply of nitrogen in the atmosphere is practically inexhaustible, the air over every acre of ground being estimated to contain 31,000 tons of nitrogen, and many attempts have been made to manufacture nitro- Three methods have given successful regenous compounds from this source, sults on a manufacturing scale: (1) the formation of ammonia by combining the nitrogen with hydrogen; (2) the formation of oxides of nitrogen by passing an electric arc through air, and (3) , and (3) the formation of cyanan cyanamide by absorbing nitrogen in calcium carbide, heated to white heat in an electric furnace.

NITROGLYCERIN dissolving glycerin in a mixture of equal measures of the strongest nitric and suldissolving glycerin in a mixture of equal measures of the strongest nitric and sullarge volume of water, when the nitroing the solution in a thin stream into a ng removed large volume of water, when the nitroto add the glycerin to the mixed acids in very small quantities at a time, and to cool the mixture in a vessel of water after each addition. When the nitro poured off, and the oil shaken several times with water, so as to wash it thoroughly. The formation of nitroglycerin equivalents of hydrogen being removed equivalents of hydrogen being remo tion of the nitric acid, and three equivtion of the nitric acid, and three equivtheir place. This oil is far more violent their place. This oil is far more violent in its explosive effects than guncotton, more nearly resembling the fulminates, though not so easily exploded. For poured into a hole in the rock, and expoured into a hole in the rock, and exparticular kind of fuse charged with a particular kind of fuse charged with a little gunpowder. It has been stated to produce the same effect in blasting as 10 times its weight of gunpowder, and much damage has occurred from the accidental explosion of nitroglycerin in course of transport. A drop of nitroglycerin is said to cause very violent headache, and in arger doses is decidedly poisonous.