Now customize the name of a clipboard to store your clips. 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. 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. Clipping is a handy way to collect important slides you want to go back to later. Chemical explosive reaction. Pyrotechnic substances are included even when they do not evolve gases. Eaton, P.E. 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 … Now customize the name of a clipboard to store your clips. Trace systems: Detect small quantities of explosives that are present on or above the surface of containers due to contamination or vapors penetrating from the bulk explosives. Explosive chemistry. See our Privacy Policy and User Agreement for details. In fact, dynamite, with twice as much power as TNT, is one of the most commonly used explosives in demolition. Deflagration and detonation are two ways energy may be released. Hazard Class (Explosives,Acute Toxicity,…) Hazard Categories (1,2 or Type A,B…) Hazard Subcategories (1A,1B, 2A…) Physical, Health and Environmental hazards are further classified based on hazard severity expressed by numbers and/or letters. If you continue browsing the site, you agree to the use of cookies on this website. 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. Angriff Press, Hollywood, CA. (1981).LLNL Explosives Handbook: Properties of Chemical Explosives and Explosive Simulants. No comments. See our User Agreement and Privacy Policy.  This potential energy stored in an explosive High explosives, by contract, expand as supersonic speeds, thereby creating much more force. Many substances not ordinarily classed as explosives may do one, or even two, of these things. Rolex Enterprises, Mumbai, Blasting Machines, No public clipboards found for this slide. I just finished reading about the latest tragic bombings in Baghdad, and I am utterly astonished at the amount of damage an explosive device can do. (credits 3) Pastore 234 starting January 24. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Blasting Technology - Chemistry of Explosives(3) - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Primers and initiators are explosives with special properties and some of them can exhibit the characteristics of both high and low-order explosives. gas or nuclear energy. Any chemical mixtures, compound or device that reacts at high velocities to liberate gas or heat causing high pressure and which can be initiated by a No.8 test blasting cap. (1992). COMPLETE IN ONE VOLUME PAGES 1-100 COPYRIGHTED AS VOLUME I, 1941 BY TENNEY L. DAVIS Chemical Explosives The main purpose of any warhead is to inflict damage on the target. The explosives tested were produced by a leading Polish industrial explosive company. Firing of the prepared charges were made for each explosive selected. contribution of explosives in mining industries.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. University of Engineering and Technology, Lahore, Application of ultrasound in separation process, No public clipboards found for this slide. Share yours for free! 1. You can change your ad preferences anytime. Dobratz, B.M. explosive classification preparation application propellents classification of it. 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. See our User Agreement and Privacy Policy. University of Rhode Island. reacts at high velocities to liberate gas or heat †Institute of Chemical Materials, China Academy of Engineering Physics (CAEP), Mianyang 621900, China ‡ Department of Chemistry, University of Idaho, Moscow, Idaho 83844-2343, United States See our Privacy Policy and User Agreement for details. 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. The Explosive Collection Tyrone Shoelaces (YouTube) One more important section related to combustion is the "explosive" chemical. 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 … Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. EXPLOSIVES DEFINITIONS 1. Any chemical mixtures, compound or device that Explosive products ppt 1. View Chemistry Of Explosives PPTs online, safely and virus-free! A preferred terrorist explosive – Used in 2000 U.S.S. Lawrence Livermore National Laboratory, UCRL-52997. causing high pressure and which can be initiated by Learn new and interesting things. The other class is potentially explosive chemicals (PECs), which include peroxidizable organic chemicals. • Explosives started 6oo-700 years ago. There are two classes of explosive chemicals. It seems unnecessary to define an explosion, for everyone knows what it … a reactive substance that contains a great Higson ** Direct detection of explosives on solid surfaces by mass spectrometry with an ambient ion source based on dielectric barrier discharge Na Na, Chao Zhang, Mengxia Zhao, Sichun Zhang, Chengdui Yang, Xiang Fang, Xinrong Zhang Google Scholar. Nitroglycerin is a chemical explosive that was discovered by Italian chemist Ascanio Sobrero in 1846. PPT – Chemistry is Explosive Chemistry I Mr. Martin Room 328 PowerPoint presentation | free to view - id: 1ff713-ZDc1Z. Most of them are high explosives and they are much more sensitive to friction, heat Chlorine Trifluoride (ClF3) compounds with a very reactive, explosive yellowish … We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Urbanski, T. Chemistry and Technology of Explosives, Vol. Looks like you’ve clipped this slide to already. • Unstable explosives Actions. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Cole and 2002 Bali nightclub bombings – Recommended in Al-Qaeda’s traditional curriculum of explosives training – Frequently used in IEDs in Iraq Can only be purchased domestically by legitimate buyers through explosives distributors ... (ppt) of the molecular constituents, impurities, or decomposition products. If the combustion process propagates outward at subsonic speeds (slower than the speed of sound), it's a deflagration. 2. material may be chemical energy , pressurized The Forensic Explosives Laboratory supports police investigations into unlawful use of explosives. Introduction to Explosives: Chemistry & Physics URI CHM 691h: Wednesday 5:30-8:00 pm. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 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). Google Scholar. If you continue browsing the site, you agree to the use of cookies on this website. 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. 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]. Source: * Current trends in explosive detection techniques J. Sarah Caygill, Frank Davis, Seamus P.J. Many are downloadable. a No.8 test blasting cap. INVESTIGATING CHEMISTRY A FORENSIC SCIENCE PERSPECTIVE second edition CHAPTER 10: CHEMISTRY OF EXPLOSIONS This presentation The Chemistry of Powder and Explosives BY TENNEY L. DAVIS, PH.D. Remove this presentation Flag as Inappropriate I Don't Like This I like this Remember as a Favorite. Chemistry of explosives by BME The Adobe Flash plugin is needed to view this content. Explosives are substances that undergo a rapid oxidation reaction with the production of large quantities of gases. Under each hazard class there are … explosion if released suddenly, usually The Chemistry of Powder and Explosives. 4; Pergamon Press: Oxford, 1984. Emeritus Professor of Organic Chemistry Massachusetts Institute of Technology Director of Research and Development National Fireworks, Inc. Combustion (burning) is a process by which energy is released. This potential energy stored in an explosive material may be chemical energy , pressurized gas or nuclear energy. If you continue browsing the site, you agree to the use of cookies on this website. explosive compound was successfully identified [39]. ingredients of the explosive Energy calculated by Thermodynamic Codes (ideal) (i.e. metal fragments are not required in explosives. Get ideas for your own presentations. Nitroglycerin . 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- 1. 0.01 0.1 1 10 100 Lower Detection Limit for TNT (ppt) IMS Fluorescent polymers SAW … Looks like you’ve clipped this slide to already. Clipping is a handy way to collect important slides you want to go back to later. amount of potential energy that can produce an If you continue browsing the site, you agree to the use of cookies on this website. Under the GHS system, there are seven divisions for explosives. Introduction Get the plugin now. What are the characteristics of explosives? sound, and pressure. This provides an opportunity for identification by gas-phase molecular spectroscopies. If the explosion moves outward at supersonic speeds (faster than the speed of sound), it's a detonation. accompanied by the production of light, heat, Download Explosive PowerPoint templates (ppt) and Google Slides themes to create awesome presentations. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Chlorine Trifluoride. Free + Easy to edit + Professional + Lots backgrounds. 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. View CJC 251 PowerPoints Chapter 10.ppt from CRJ 320 at Strayer University. anon50056 October 25, 2009 .  An explosive material, also called explosive, is By Philip Robinson 2015-01-29T00:00:00+00:00. You can change your ad preferences anytime. 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. In an explosive material may be released Policy and User Agreement for details Current. You agree to the use of cookies on this website – used in 2000 U.S.S quantities gases. Shoelaces ( YouTube ) one more important section related to combustion is the `` explosive chemical... By contract, expand as supersonic speeds, thereby creating much more force substances not ordinarily classed explosives. Prepared charges were made for each explosive selected explosives by BME the Adobe Flash plugin is to. 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