dynamite, explosive explosive, substance that undergoes decomposition or combustion with great rapidity, evolving much heat and producing a large volume of gas. The reaction products fill a much greater volume than that occupied by the original material and exert an enormous pressure,
..... Click the link for more information. made from nitroglycerin and an inert, porous filler such as wood pulp, sawdust, kieselguhr, or some other absorbent material. The proportions vary in different kinds of dynamite; often ammonium nitrate or sodium nitrate is added. The mass is usually pressed in cylindrical forms and wrapped in an appropriate material, e.g., paper or plastic. The charge is set off with a detonator detonator , type of explosive that reacts with great rapidity and is used to set off other, more inert explosives. Fulminate of mercury mixed with potassium chlorate is a commonly used detonator.
..... Click the link for more information. . Dynamite was discovered by Alfred B. Nobel Nobel, Alfred Bernhard , 1833–96, Swedish chemist and inventor. Educated in St. Petersburg, Russia, he traveled as a youth and returned to St. Petersburg in 1852 to assist his father in the development of torpedoes and mines.
..... Click the link for more information. in 1866.

dynamite

Blasting explosive, patented in 1867 by Alfred P. Nobel. Dynamite is based on nitroglycerin but is much safer to handle than nitroglycerin alone. By mixing the nitroglycerin with kieselguhr, a porous silica-containing earth, in proportions that left an essentially dry and granular material, Nobel produced a solid that was resistant to shock but readily explodable by heat or sudden impact. Later, wood pulp was substituted as the absorbent, and sodium nitrate was added as an oxidizing agent to increase the strength of the explosive.

dynamite [′dī·nə‚mīt]

(materials)

A generic term covering a class of nitroglycerin-sensitized mixtures of carbonaceous materials (wood, flour, starch) and oxygen-supplying salts, used as explosives for blasting and mining.

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dynamite (redirected from dynamiting)

dynamite

dynamite
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