Table of Contents
What chemicals increase detonation speed?
Because of its high heat of oxidation, Al powder (typically 20% by weight) is commonly added to TNT to enhance the late-time blast effects of the explosion; tritonal is a typical Al-TNT formulation8.
What explosive has the highest detonation velocity?
Octanitrocubane has a detonation velocity of 10,100 m/s, making it the fastest known explosive. Small amounts have been synthesized in the laboratory, but not enough for performance testing as an explosive.
Which one is a primary explosive?
Primary explosives, which include lead azide and lead styphnate, are highly susceptible to initiation. Primary explosives often are referred to as initiating explosives because they can be used to ignite secondary explosives. Propellants include both rocket and gun propellants.
Which category of high explosive is much less sensitive than primary explosives?
Secondary explosives (colloquially known as “secondaries”) differ from primaries in that they are much less sensitive to impact, friction, electrostatic discharge, heat, and shock. Instead, they are intended to be initiated by the heat and shockwave generated from a detonating primary explosive charge.
What is a deflagration explosive?
3.2 Deflagration and Detonation. Explosives are those substances that have their own supply of oxygen in their molecules. When they are initiated, they may either burn violently (deflagrate) or explode disastrously generating shock waves (detonate).
What is det cord made of?
Detonation Cord consists of a high-explosive (either PETN or RDX) core wrapped in a reinforced, waterproof, olive-drab plastic coating that transmits a detonating wave. It is used as a detonating agent, a priming agent or alone as an explosive charge.
Why is Semtex called Semtex?
Semtex was invented in the late 1950s by Stanislav Brebera, a chemist at VCHZ Synthesia, former Czechoslovakia. The explosive is named after Semtín, a suburb of Pardubice in the Czech Republic where the mixture was first manufactured starting in 1964.
How do you make urea nitrate?
Urea nitrate 1 (Fig. 1) is a powerful improvised explosive, fre- quently prepared and used by terrorists. It can be prepared quickly and easily by adding nitric acid to a cooled aqueous solution of urea (Scheme 1). The white precipitate thus formed is filtered, washed with cold water and dried in air.
Is dynamite or TNT stronger?
It’s the small explosion of the blasting cap that is required to cause the nitroglycerin to explode. You may see some explosives labeled “TNT” that look like dynamite. TNT stands for trinitrotoluene, which is also an explosive but quite different from dynamite. Dynamite is actually much more powerful than TNT.
What does TNT stand for?
trinitrotoluene (TNT), a pale yellow, solid organic nitrogen compound used chiefly as an explosive, prepared by stepwise nitration of toluene.
Is black powder a high explosive?
The black powder used in fireworks is one example of a low explosive. Nitroglycerine, trinitrotoluene, and RDX are high explosives.
Who invented dynamite?
Alfred Nobel.
What is the most explosive material?
Azidoazide azide is the most explosive chemical compound ever created. It is part of a class of chemicals known as high-nitrogen energetic materials, and it gets its “bang” from the 14 nitrogen atoms that compose it in a loosely bound state. This material is both highly reactive and highly explosive.
Is lead azide a high explosive?
Lead(II) azide is considered to be a highly sensitive explosive and has been classified into the first group of safety precautions [23].
What is the most unstable explosive?
Nitroglycerin is the most dangerous and unstable explosive know to man.
What are division 1.1 explosives?
division 1.1 consists of explosives that have a mass explosion hazard. A mass explosion is one that affects nearly the entire load instantaneously. division 1.3g (if the major hazard is radiant heat or violent burning, or both, but there is no blast or projection hazard) fireworks un0335 (display).
What does a deflagrating spoon do?
Deflagration spoons are stainless steel spoons used for heating substances until they burn away.
Is DDT explosive?
Deflagration to detonation transition (DDT) refers to a phenomenon in ignitable mixtures of a flammable gas and air (or oxygen) when a sudden transition takes place from a deflagration type of combustion to a detonation type of explosion.
How are detonators made?
Many detonators’ primary explosive is a material called ASA compound. This compound is formed from lead azide, lead styphnate and aluminium and is pressed into place above the base charge, usually TNT or tetryl in military detonators and PETN in commercial detonators.
What’s the string on dynamite called?
Detonating cord (also called detonation cord, detacord, det. cord, detcord, primer cord or sun cord) is a thin, flexible plastic tube usually filled with pentaerythritol tetranitrate (PETN, pentrite).
What is Codex wire?
description. In fuse. Detonating cord, also called Cordeau and Primacord, is a hollow cord filled with an explosive material. It is fired by a detonator and is capable of initiating the detonation of certain other explosives at any number of points and in any desired pattern.
Can you make C-4?
To make C-4 blocks, explosives manufacturers take RDX in powder form and mix it with water to form a slurry. They then add the binder material, dissolved in a solvent, and mix the materials with an agitator. They remove the solvent through distillation, and remove the water through drying and filtering.
Can you hold Semtex?
This is only possible in the Black Ops II version of Origins. In Call of Duty: Black Ops III, if a player is killed while holding a semtex, the grenade will instantly explode upon death and is able to injure or kill enemies.
How do sticky grenades not stick to your hand?
On the outer part of the Semtex contains pores like the pores on your skin. When you thrown the Semtex it activates two things. The other causes the pores on the semtex to open up and release a sticky residue out of it which causes it to stick to anything. THAT is the secret behind the semtex.
How do you make ammonium nitrate?
Ingredients Dissolve the sodium bisulfate in the mininum amount of water (about 300 ml). Dissolve your nitrate salt in the minimum amount of water (amount depends on the salt). Mix the two solutions. Next you want to neutralize the solution, which is quite acidic.
Is urea used in bombs?
Urea nitrate is a fertilizer-based high explosive that has been used in improvised explosive devices in Afghanistan, Pakistan, Iraq, and various terrorist acts elsewhere in the world such as in the 1993 World Trade Center bombings.
