 This potential energy stored in an explosive EXPLOSIVES: Explosives.ppt (Size: 516.5 KB / Downloads: 113) Effects of an Explosion: Blast Pressure At the time of detonation, the gases can rush out at velocities of up to 7,000 mph and can exert pressure of up to 700 tons per square inch. See our User Agreement and Privacy Policy. (credits 3) Pastore 234 starting January 24. Many are downloadable. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Angriff Press, Hollywood, CA. Nitroglycerin . Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. material may be chemical energy , pressurized Introduction An explosive material, also called explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure. explosive compound was successfully identified [39]. PROPERTIES OF EXPLOSIVES Definition An explosive is a material, cither a pure single substance or a mixture of substances, which is capable of producing an ex-plosion by its own energy. Chemical explosive reaction. The Forensic Explosives Laboratory supports police investigations into unlawful use of explosives. 1. See our User Agreement and Privacy Policy. Any chemical mixtures, compound or device that ... (ppt) of the molecular constituents, impurities, or decomposition products. University of Rhode Island. 1. If the explosion moves outward at supersonic speeds (faster than the speed of sound), it's a detonation. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Under each hazard class there are … Eaton, P.E. causing high pressure and which can be initiated by reacts at high velocities to liberate gas or heat The Adobe Flash plugin is needed to view this content. Google Scholar. a No.8 test blasting cap. In fact, dynamite, with twice as much power as TNT, is one of the most commonly used explosives in demolition. metal fragments are not required in explosives. Chemistry of explosives by BME Download Explosive PowerPoint templates (ppt) and Google Slides themes to create awesome presentations. See our Privacy Policy and User Agreement for details. An explosive substance is a solid or liquid substance (or mixture of substances) which is in itself capable by chemical reaction of producing gas at such a temperature and pressure and at such a speed as to cause damage to the surroundings. If you continue browsing the site, you agree to the use of cookies on this website. Nitroglycerin is a chemical explosive that was discovered by Italian chemist Ascanio Sobrero in 1846. The Chemistry of Powder and Explosives. What are the characteristics of explosives? Review of explosive detection methodologies and the emergence of standoff deep UV resonance Raman Katie L. Gares,† Kyle T. Hufziger,† Sergei V. Bykov and Sanford A. Asher* Due to terrorist use of explosive devices, intense interest has been directed towards the development of techniques and instru- 4; Pergamon Press: Oxford, 1984. PPT – Chemistry is Explosive Chemistry I Mr. Martin Room 328 PowerPoint presentation | free to view - id: 1ff713-ZDc1Z. COMPLETE IN ONE VOLUME PAGES 1-100 COPYRIGHTED AS VOLUME I, 1941 BY TENNEY L. DAVIS Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pyrotechnic substances are included even when they do not evolve gases. Urbanski, T. Chemistry and Technology of Explosives, Vol. This provides an opportunity for identification by gas-phase molecular spectroscopies. Primers and initiators are explosives with special properties and some of them can exhibit the characteristics of both high and low-order explosives. Deflagration and detonation are two ways energy may be released. A preferred terrorist explosive – Used in 2000 U.S.S. Now customize the name of a clipboard to store your clips. Screening: On-site detection of explosive devices and residues Screening test for explosive trace residues in a post-blast forensic investigation is one of the important strategies for the on-site detection of explosives [40, 41]. (1981).LLNL Explosives Handbook: Properties of Chemical Explosives and Explosive Simulants. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Clipping is a handy way to collect important slides you want to go back to later. INVESTIGATING CHEMISTRY A FORENSIC SCIENCE PERSPECTIVE second edition CHAPTER 10: CHEMISTRY OF EXPLOSIONS This presentation Google Scholar. See our Privacy Policy and User Agreement for details. University of Engineering and Technology, Lahore, Application of ultrasound in separation process, No public clipboards found for this slide. • Unstable explosives If the combustion process propagates outward at subsonic speeds (slower than the speed of sound), it's a deflagration. Explosive chemistry. Introduction accompanied by the production of light, heat, The way the damage is caused may vary with different types of warheads, but in the most general sense, damage is caused by the transfer of energy from the warhead to the target. a reactive substance that contains a great Course will begin with the historical development of explosives and include the safe handling of explosives, the kinetics of thermal decomposition, synthesis of explosives, shock phenomena, and explosive performance and safety … We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. computer models of the detonation chemistry and energy of the reactions) Usually quoted in MJ/kg of explosive AWS of ANFO is 880 cal/g for 94% AN and 6% Fuel Oil Explosive efficiency varies from 35% to … Emeritus Professor of Organic Chemistry Massachusetts Institute of Technology Director of Research and Development National Fireworks, Inc. 0.01 0.1 1 10 100 Lower Detection Limit for TNT (ppt) IMS Fluorescent polymers SAW … explosive materials as follows: a solid or liquid substance (or mixture of substances) which is in itself capable by chemical reaction of producing gas at such temperature and pressure and at such speed as to cause damage to the surroundings. Share yours for free! This potential energy stored in an explosive material may be chemical energy , pressurized gas or nuclear energy. sound, and pressure. View Chemistry Of Explosives PPTs online, safely and virus-free! Get ideas for your own presentations. Chlorine Trifluoride. Combustion (burning) is a process by which energy is released. ingredients of the explosive Energy calculated by Thermodynamic Codes (ideal) (i.e. Learn new and interesting things. Remove this presentation Flag as Inappropriate I Don't Like This I like this Remember as a Favorite. Chemical Explosives The main purpose of any warhead is to inflict damage on the target. Get the plugin now. A chemical explosive is a compound or mixture which, upon the application of heat or shock, decomposes or rearranges with extreme rapidity, yielding much gas and heat. Many substances not ordinarily classed as explosives may do one, or even two, of these things. gas or nuclear energy. Blasting Technology - Chemistry of Explosives(3) - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. If you continue browsing the site, you agree to the use of cookies on this website. Explosives are substances that undergo a rapid oxidation reaction with the production of large quantities of gases. View CJC 251 PowerPoints Chapter 10.ppt from CRJ 320 at Strayer University. Source: * Current trends in explosive detection techniques J. Sarah Caygill, Frank Davis, Seamus P.J. The first is known explosive chemicals that are designed and produced for use as an explosive (e.g., TNT, explosive bolts, bullets, blasting caps, and fireworks). anon50056 October 25, 2009 . Chemistry of Explosives Explosives are chemical mixtures or compounds that, when subjected to heat, impact, or shock, are capable of undergoing a rapid decomposition that releases heat and gases, which, in turn, expand to form high pressures. 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