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Mercury(II) fulminate, or Hg(CNO) 2, is a primary explosive. It is highly sensitive to friction, heat and shock and is mainly used as a trigger for other explosives in percussion caps and detonators. Mercury(II) cyanate, though its chemical formula is identical, has a different atomic arrangement, making the cyanate and fulminate anionic isomers.
In 1868, Henry Julius Smith of Boston introduced a cap that combined a spark gap ignitor and mercury fulminate, the first electric cap able to detonate dynamite. [12] In 1875, Smith—and then in 1887, Perry G. Gardner of North Adams, Massachusetts—developed electric detonators that combined a hot wire detonator with mercury fulminate explosive.
1.1 Mass explosion: 1.1A Mercury fulminate, Lead azide Etc. 1.1B Blasting caps, ingitors 1.1C Rocket motors, smokeless powder. 1.1D Detonating cord, explosive boosters, blackpowder, most secondary explosives. 1.1E 1.1F 1.1G Flash powder, Bulk Salutes, very large fireworks 1.1J Liquid fuelled cruise missiles and torpedoes, incendiary bombs 1.1L
An explosion is a type of spontaneous chemical reaction that, ... where the charge corresponds to 2 grams of mercury fulminate. Velocity of detonation ...
All caplock mechanisms rely upon a hammer impact.. The percussion cap is a small cylinder of copper or brass with one closed end. Inside the closed end is a small amount of a shock-sensitive explosive material such as mercuric fulminate (discovered in 1800; it was the only practical detonator used from about the mid-19th century to the early 20th century [2]).
Following the 1996 TWA Flight 800 explosion and an exhaustive four-year investigation, Frank Hilldrup, an NTSB official who was on the original team of Flight 800 investigators, and his team ...
This is a compilation of published detonation velocities for various high explosive compounds. Detonation velocity is the speed with which the detonation shock wave travels through the explosive.
A week after wind-whipped wildfires began their deadly rampage through Southern California, investigators search for clues into what started the devastating blazes. The answers may take months or ...