Download the ios download the android app other related materials. An atom is made up of sub atomic particles like electors, protons and neutrons etc. Free download the chemistry of explosives second edition written by jacqueline akhavan department of environmental and ordnance systems, cranfield university, royal military college of science, swindon and published by the royal society of chemistry in 2004. The chemistry and history of explosives goes back to the original papers and patents written by the chemists who invented them, to shed light on their development, to explore the consequences of their use for good and ill, and to give the reader a basic understanding of the. 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. So far regarding the ebook we have the chemistry of explosives opinions end users havent still eventually left their report on the game, or otherwise read it nevertheless. Explosions chemistry encyclopedia reaction, examples. Instead of the oxygen being supplied from the surrounding air, it is supplied in the form of oxidisers or oxidants and is actually a solid material that is in intimate contact with the fuel. Free chemistry powerpoint template june 15, 2015 april 23, 2020.
Detonation occurs when the rate of chemical decomposition is greater than the speed of sound. Chapter i properties of explosives an explosive is a material. One of them was that gunpowder is a low explosive because it is a mixture. Density vod velocity of detonation water resistivity viscosity strength sensitivity thermal stability fume characteristics. A handheld device for rapid colorimertic detection of explosives, narcotics, and other chemicals which can be accurately operated by nonskilled personnel and perform numerous tests in a quick sequential manner without exposing a user to hazardous reagents and without exposing sensitive reagents to deteriorating environmental conditions, the device comprising a a housing for handling and. Pdf biodegradation of the explosives tnt, rdx and hmx. On january 7, 1998, four employees were about to begin work in the production room at sierra chemicals kean canyon explosives manufacturing facility when two large blasts. Nobels name was made in explosives, but what about the chemistry behind them.
Mechanical explosions occur when a closed system is heateda violent pressure rupture can occur. Finally, it provides insight into the many factors an. The writing of it was commenced in order that a textbook might be available for the use of students in the course in powder and explosives which the author gave for about twenty years nearly every year since the first world war to fourthyear and graduate students of chemistry and of chemical engineering at the massachusetts institute of. 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. Potential energy may exist in either of three forms before an explosion occurs. Density explosives normally work effectively in a particular range of density.
Properties of explosives free download as powerpoint presentation. Us5648047a device for colorimetric detection of explosives. These free downloadable chemistry ppt backgrounds are fully customizable with easytoedit theme color as well as text. Introduction to explosives and propellants part of the text from parti of this chapter has been presented. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. This concise, easytoread book outlines the basic principles needed to understand the chemical mechanisms of explosion. Analysis of explosives introduction most bombing incidents involve homemade explosive devices there are a great many types of explosives and explosive devices lab must determine type of explosives and, if possible, reconstruct the explosive device chemistry of explosion essentially a combustion reaction like a fire major difference is speed of reaction damage caused by rapidly escaping gases. On january 7, 1998, four employees were about to begin work in the production room at sierra chemicals kean canyon. With few exceptions, denser explosives give higher detonation velocities and pressures. Chemistry is the study of matter, its properties and the changes it may undergo.
Explosive devices may be mechanical, chemical, or atomic. Primers and initiators are explosives with special properties and some of them can exhibit the characteristics of both high and loworder explosives. Process safety management for explosives and pyrotechnics. 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. Free download chemistry 10th edition by raymond chang. Free download the chemistry of explosives 2e chemistry. The chemistry and history of explosives goes back to the original papers and patents written by the chemists who invented them, to shed light on their development, to explore the consequences of their use for good and ill, and to give the reader a basic understanding of the chemistry that makes them possible. Any chemical mixtures, compound or device that reacts at high velocities to liberate gas or explosives. A reaction that produces a change in the state of matter. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Organic explosives are those types of explosives which are composed of hydrocarbons in addition to an oxidizing source which will help to complete the combustion of the hydrocarbon ch bonds. Introduction to explosives authorstream presentation. Explosives courses center of excellence for explosives.
The history, theory and chemical types of explosives are introduced, providing the reader with information on the physical parameters of primary and secondary explosives. Density is an important consideration when choosing an explosive. This a nonthesis track that offers graduatelevel education for law enforcement and military investigators working in the field of explosives and fire investigation. An explosion is a sudden, violent change of potential energy to work, which transfers to its surroundings in the form of a rapidly moving rise in pressure called a blast wave or shock wave. Rodriguez chemistry of high energy materials baran gm 20120818 routes tto cnitro functionality nitration chemistry borgardt et al. 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 explosion by its own energy. Some explosives are mixtures of chemicals that do not react and are known as composites. Secondary explosives secondary explosives also known as high explosives differ from primary explosives in that they cannot be detonated readily by heat or shock and are generally more powerful than primary explosives. In particular and hydrocarbons in general are used often to generate heat due to their exothermic combustion reactions which gives off the gases co2 and. Winner of the standing ovation award for best powerpoint templates from presentations magazine. 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. I by tadeusz urbanski department of technology, politechnika warszawa authorized translation by irena jeczalikowa and sylvia laverton pergamon press oxford london. Introduction to chemistry, atoms and elements importance of chemistry question.
Free download organic chemistry of explosives chemistry. It seems unnecessary to define an explosion, for everyone knows what it isa loud noise and the sudden going away of things from the place where they have been. A free powerpoint ppt presentation displayed as a flash slide show on id. It seems unnecessary to define an explosion, for everyone knows what it isa loud noise and the sudden going away of. The osu school of forensic sciences offers a masters degree in forensic sciences with a specialization in arson and explosives investigation. Chemistry and technology of explosives vol 3 urbanski. For free running explosives, the density is often specified as the pounds of explosives per foot of charge length in a given size borehole.
Ninan high energy oxidisers fcir advanced solid propellants and explosives advances in solid propellant technology, p1. Cole and 2002 bali nightclub bombings recommended in alqaedas traditional curriculum of explosives training. Download free chemistry powerpoint templates and themes. Explosive materials may be categorized by the speed at which they expand. Introduction to explosives types of energetic materials pyrotechnics propellants unconfined, referred to as propellants confined, referred to as low explosives. Atomic theory is the central theme of chemistry and most important idea in science. Jai prakash agrawal cchem frsc uk former director of materials. Emeritus professor of organic chemistry massachusetts institute of technology director of research and development national fireworks, inc. This article is concerned with chemical explosives, which account for. Center of excellence for explosives detection, mitigation and response energetics laboratory, chemistry department university of rhode island, kingston, ri, usa, kingston, ri, usa. Ppt introduction to explosives powerpoint presentation. Robert dale hodgson consultant organic chemist, syntech chemical consultancy, morecambe, lancashire, uk. The chemistry of powder and explosives by tenney l.
A common example is composite b3 which is made up of a 6436 mixture of rdx c 3 h 6 n 6 o 6 and tnt. Supersensitive fingerprinting of explosives by chemically. Highpressure shock compression of condensed matter. Blasting technology chemistry of explosives3 explosive. Introduction to explosives for official use only c4. 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.
Properties of explosives explosive material chemistry. Center of excellence for explosives detection, mitigation and response energetics laboratory, chemistry department university of rhode island, kingston, ri, usa, kingston. The chemistry of explosives by jacqueline akhavan 1998. This potential energy stored in an explosive material may be chemical energy, pressurized gas or nuclear energy. Chapter i properties of explosives an explosive is a. The third edition of this popular book has been fully revised and updated and outlines the basic principles needed to understand the mechanism of explosions by chemical explosives.
An explosive is a substance or a mixture, which under the influence of thermal or mechanical shock, decomposes rapidly and spontaneously with the evolution of a great amount of heat and large volume of gases. Download free chemistry powerpoint templates to gain excel grade in your project work. Ninan high energy oxidisers fcir advanced solid propellants and explosives advances in solid propellant technology, p1 international hems1 workshop, ranchi, india, 2002, 87106. The energy is typically mechanical in nature and takes the form of a shock wave. Whether it is an organic or inorganic reaction, it can be explained with free chemistry ppt backgrounds. In general, an explosive has four basic characteristics. Colorimetric reactions wetchemical ion specific reactions.
Covering detonation, deflagration, initiation, the latest theories on the production of hotspots, thermochemistry, thermodynamics and kinetics, the text includes detailed formulations and reactions presented with thermochemical calculations to aid understanding. Blasting technology chemistry of explosives3 free download as powerpoint presentation. The organic chemistry of explosives also provides a perspective on the possible applications of various energetic compounds, why they are interesting as explosives or propellant ingredients, and what advantages and disadvantages they might have compared to other energetic compounds. With chapter authors that span the forensic chemistry field, this book exposes readers to the state of the art on subjects such as serology including blood, semen, and saliva, dnamolecular biology, explosives and ballistics. Boom the chemistry and history of explosives download. 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. The forensic chemistry handbook focuses on topics in each of the major chemistryrelated areas of forensic science. Chemical explosives explosion ns330 chemical explosives definition. If cataclysmic event were to destroy all knowledge of science what would be the most important knowledge to pass on to future generations.
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