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Topic: Lead azide

Related Topics

Lead styphnate

Sodium azide

Mercury fulminate

High explosive

Blasting cap

Detonator

Tetrazene

Lead

Ammonal

Percussion cap

Amatol

ANFO

Prill

Rocket motor

Sprengel explosive

	Lead azide - Wikipedia, the free encyclopedia
		Lead azide is highly sensitive and usually handled and stored under water in conductive rubber containers, it will explode after a fall of around 150 mm or in the presence of a static discharge of 7 millijoules, its detonation velocity is around 5.18 km/s (17,500 ft/s).
		Sodium azide is used both for the manufacture of lead azide and as preservative and diluent, which can lead to problems.
		The lead salt is prepared by metathesis between sodium azide and lead nitrate or lead disolved in nitric acid.
	en.wikipedia.org /wiki/Lead_azide (232 words)

	Encyclopedia: Lead
		Lead is used in building construction, lead-acid batteries, bullets and shot, and is part of solder, pewter, and fusible alloys.
		Lead was used for plumbing in Ancient Rome, and lead sticks were used as pencils (for the last 450 years they've been made with graphite).
		Lead pipes that bear the insignia of Roman emperors are still in service and many Roman "pigs" (ingots) of lead figure in Derbyshire lead mining history and in the history of the industry in other English centres.
	www.nationmaster.com /encyclopedia/Lead (5498 words)

	Lead Azide (Site not responding. Last check: 2007-10-20)
		Lead azide is a crystalline, cream-colored com-pound which is practically insoluble in water.
		When lead azide is stored in water, however, care must be taken to assure that the water is free of bacteria-forming impurities which may react with the dextri-nated lead azide to form a gas.
		Lead Azide has a high temperature of ignition and is less sensitive to shock and friction than mercury fulminate.
	www.ordnance.org /leadazid.htm (118 words)

	lead, chemical element. The Columbia Encyclopedia, Sixth Edition. 2001-05 (Site not responding. Last check: 2007-10-20)
		Although lead is seldom found uncombined in nature, its compounds are widely distributed throughout the world, principally in the ores galena, cerussite, and anglesite.
		Lead is used for covering cables and as a lining for laboratory sinks, tanks, and the “chambers” in the lead-chamber process for the manufacture of sulfuric acid.
		Although lead and most of its compounds are only slightly soluble in water, the use of lead pipe to carry drinking water is dangerous, since lead is a cumulative poison that is not excreted from the body (see lead poisoning).
	www.bartleby.com /65/le/lead.html (661 words)

	Azide - Wikipedia, the free encyclopedia
		The azide anion is toxic, inhibiting the function of cytochrome c oxidase by binding irreversibly to the heme cofactor, in a process similar to that of carbon monoxide.
		Lead azide is another explosive inorganic azide compound.
		Azide 2 is formed in a nucleophilic aliphatic substitution reaction displacing chlorine in 1 by the azide anion.
	en.wikipedia.org /wiki/Azide (292 words)

	Lead azide -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-20)
		Lead azide ((A soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull gray) Pb((The 14th letter of the Roman alphabet) N
		Lead azide reacts with copper, zinc, or other alloys to form other azides.
		The lead salt is prepared by metathesis between sodium azide and lead nitrate.
	www.absoluteastronomy.com /encyclopedia/l/le/lead_azide.htm (230 words)

	Lead (UK PID) (Site not responding. Last check: 2007-10-20)
		Lead acetate is used in dyeing and printing cottons, in the manufacture of lead salts, in varnishes, chrome pigments, manufacture of insecticides, as a colour additive in hair dyes, in small amounts in some explosives and as an astringent in some lotions.
		Lead carbonate is used as a white pigment in oil paints and water colours, as a component of cement, putty and ceramics and in the manufacture of lead carbonate paper.
		Lead poisoning was confirmed by the presence of 3+ qualitative urinary coproporphyrins and elevated erythrocyte protoporphyrin.
	www.intox.org /databank/documents/chemical/lead/ukpid25.htm (16247 words)

	Primary Explosives
		Lead azide is widely used as an initiating explosive in high-explosive detonator devices.
		Lead styphnate is slightly soluble in water and methyl alcohol and may be neutralized by a solution of sodium carbonate.
		Lead styphnate is used as an initiating explosive in propellant primer and high-explosive detonator devices.
	globalsecurity.org /military/systems/munitions/explosives-primary.htm (404 words)

	Lead
		Lead was, indeed, used in machines of all kinds, not as a structural material, but where its fusibility and workability were an advantage, and for many small items of daily use.
		Lead is still used for sheathing cables, in bearing alloys, in artistic pigments and glazes, for decorative glass, in the chemical industry, and, of course, for bullets, which have always been in special demand in the United States.
		Now, lead is a systemic poison, but its use in paint and motor fuel was thought safe because nobody ate paint or scraped it into their coffee, and there was lots of air to dilute the lead coming out of exhaust pipes.
	www.du.edu /~jcalvert/phys/lead.htm (8222 words)

	PowerLabs Lead Styphnate Synthesis!
		Lead styphnate varies in color from yellow to brown and is particularly sensitive to fire and the discharge of static electricity, being the most sensitive explosive in this category; when dry, it can be reliably detonated by static discharges from the human body, requiring only 0,004J for that to occur.
		Lead styphnate is only slightly soluble in water and methyl alcohol and may be neutralized by a sodium carbonate solution.
		Lead styphnate is a VERY SENSITIVE explosive and its synthesis should be performed only by professionals working under laboratory conditions.
	www.powerlabs.org /chemlabs/lead_styphnate.htm (392 words)

	Primary Explosives a very important inquiry! - The Explosives and Weapons Forum (Site not responding. Last check: 2007-10-20)
		It is obvious that the militaries of this world have found lead azide placed on RDX and ignited by a mixture of lead styphnate and barium chromate as the most reliable blasting cap for general use in existence.
		Compressed lead azide is insensitive to the spit of a fuse,
		Lead azide is a standard military initiating explosive (mixed with dextrose to desensitize it).
	www.roguesci.org /theforum/showthread.php?t=3861 (5577 words)

	Lead Styphnate (Site not responding. Last check: 2007-10-20)
		Lead styphnate varies in color from yellow to brown.
		Lead styphnate is particularly sensitive to fire and the discharge of static electricity.
		Lead styphnate does not react with metals and is less sensitive to shock and friction than mercury fulminate or lead azide.
	www.ordnance.org /leadstyp.htm (126 words)

	lead azide - The Explosives and Weapons Forum (Site not responding. Last check: 2007-10-20)
		It is caused because of the lead azide decomposition to a lead oxide called litharge, but it takes place only in a very thin layer.
		I think I know the reason now why Lead azide is best used with lead stypnate,especially those primers that use dextrinated lead azide,where even if the amount of the active ingredient is 95% it is insufficient to initiate the base charge.Having another initiator will enhance its performance.
		So that the tandem can be completed(the combination of lead azide and lead styphnate).by reaction of lead acetate and magnesium styphnate to form the lead styphnate prior to the preparation of the required blends of suitable initiating composition.
	www.roguesci.org /theforum/showthread.php?t=193 (1731 words)

	lead -> Uses on Encyclopedia.com 2002 (Site not responding. Last check: 2007-10-20)
		IQ and blood lead from 2 to 7 years of age: are the effects in older children the residual of high blood lead concentrations in 2-year-olds?(Children's Health: Article)
		Lead poisoning associated with use of litargirio--Rhode Island, 2003.
		In the outskirts of Amman, children are trained by the F.P.L.P. (Front pour la libtion de la Palestine), while adults lead commando actions during the night in Cisjordan.
	www.encyclopedia.com /html/section/lead_uses.asp (1166 words)

	Untitled Document (Site not responding. Last check: 2007-10-20)
		Sodium azide (solid or concentrated solution) should never be flushed down the drain since this practice can cause serious incidents when the azide reacts with lead or copper in the drain lines and explodes.
		Sodium azide reacts with heavy metals (such as silver, gold, lead, copper, brass, or solder in plumbing systems); and metal salts to form an accumulation of the highly explosive compounds such as lead azide and copper azide.
		Sodium azide is not compatible with chromyl chloride, hydrazine; bromine; carbon disulfide; dimethyl sulfate; and dibromomalonitrile; strong acids (such as hydrochloric, sulfuric and nitric); and acid chlorides.
	www.ehs.neu.edu /naazide1.html (1137 words)

	[No title]
		The government has banned leaded paints and is phasing out leaded gasoline because the stuff slowly accumulates in your body and can screw up all sorts of important innards.
		Lead Azide Pb(N) 3 2 Unlike many explosives that must be enclosed in a casing to explode, and others that require a detonator to set them off, Lead Azide will explode in open air, either due to heat or percussion.
		Lead Azide is very powerful as well as very sensitive.
	www.textfiles.com /anarchy/INCENDIARIES/impmunc.hac (2390 words)

	[No title] (Site not responding. Last check: 2007-10-20)
		An explosive train component which consists of a column of high explosive, usually small in diameter, used to transmit detonation from one detonating component to a succeeding high explosive component; it is generally used to transmit the detonation from a detonator to a booster charge.
		Unstable, colorless needles that explode at 350°C; lead azide is shipped submerged in water to reduce sensitivity; used as a detonator for high explosives.
		Poisonous brown crystals that decompose when heated; insoluble in water and alcohol, soluble in glacial acetic acid; used as an oxidizing agent, in electrodes, batteries, matches, and explosives, as a textile mordant, in dye manufacture, and as an analytical reagent.
	www.accessscience.com /Dictionary/L/L7/DictL7.html (2876 words)

	DHHS (NIOSH) Publication No. 78-127
		In addition, we are aware of a violent azide explosion occurring while a constant temperature water bath in which sodium azide had been used as a preservative was being repaired.
		Lead azide is a more sensitive primary explosive than nitroglycerine and a more effective detonating agent than mercury fulminate; in comparison with lead azide, copper azide is even more explosive and too sensitive to be used commercially.
		The use of copper-and lead-free lines between the point of discharge of azide and the nearest pipe in which there is a good stream of water, or the use of azide-free reagents, may prevent future accumulation of explosive azides in plumbing.
	www.cdc.gov /niosh/78127_13.html (1111 words)

	SQUIBS, DETONATORS, PLASTIC HIGH EXPLOSIVES, PETN (Site not responding. Last check: 2007-10-20)
		Lead Azide is concealed in squibs without informing or warning non-union movie extra employees working on union movies.
		PETN and nerve damaging Lead Azide are concealed in special effects in the movie industry and called "trade secrets" in court.
		Lead Azide is carcinogenic in a two hour industrial exposure.
	www.webspawner.com /users/makemarijuanalegal/petnleadazideco.html (1415 words)

	MSN Encarta - Search Results - lead azide
		Azide, name of a group of explosive compounds, all of which contain three doubly linked nitrogen atoms.
		Lead, symbol Pb (Latin plumbum, a lead weight), dense, bluish-gray metallic element that was one of the first known metals.
		Sources of major air pollutants include individual actions, such as driving a car, and industrial activities, such as manufacturing products or...
	encarta.msn.com /lead+azide.html (121 words)

	DARPA/MTO/MEMS Digital Micro-Propulsion Project (Site not responding. Last check: 2007-10-20)
		Lead styphnate is approximately as sensitive as mercury fulminate to impact and has about the same order of friction sensitivity as lead azide.
		Where practicable, lead styphnate should be in the water-wet state while being processed.
		Lead styphnate tends to form a sensitive scaly deposit on the sides of the containers and collection sumps.
	www.design.caltech.edu /micropropulsion/styphnate.html (972 words)

	NRDC Technology offer - SODIUM AZIDE (Site not responding. Last check: 2007-10-20)
		Sodium Azide is used as an intermediate for the
		The main raw material for sodium azide is hydrazine hydrate which is available in most developed nations.
		The Mother liquor from Sodium Azide reaction is transferred to a distillation column and separated into separate components for reuse.
	www.nrdcindia.com /pages/sodaz.htm (419 words)

	[No title] (Site not responding. Last check: 2007-10-20)
		It is placed in the tobacco end of the cigarette and, if made and inserted properly, causes no harm (except to the cigarette) on ignition.
		Pour out the water, and filter the white stuff (Lead Azide) with distilled water several times.
		Remember, the filter paper has enough lead azide on it to make it explosive.
	www.textfiles.com /anarchy/INCENDIARIES/san-load.txt (468 words)

	Disposal (Don Wilkins) (Site not responding. Last check: 2007-10-20)
		Good Lord if you add a whole bunch of chemicals to do some dastardly thing to the azide you will have added more junk to the environment than if you just dump it down what ever receptacle you sit on after you have completed digesting whatever you gorged yourself on a few hours ago.
		By the time the sewer waste >stream reaches anywhere important the azide will be long gone.
		You are going to get some sodium ions and some products of the oxidation of the azide ion.
	yarchive.net /chem/disposal.html (550 words)

	Sciencemadness Discussion Board - Powered by XMB 1.8 Partagium Final SP3
		I think it's very likely that whatever azide you make will have a heavy hydroxide contamination.
		Of course, it could be used for making things such as ammonium azide.
		This has to be under acidic conditions, where sodium nitrite is added to an acidic solution of hydrazine.
	www.sciencemadness.org /talk/viewthread.php?tid=518 (754 words)

	L
		Usually consists of standard-base ejection smoke shell, of any caliber, with smoke canisters removed and propaganda substituted therefore.
		The resistance between the blasting circuit (including lead wires) and the ground.
		Low energy detonating cord commercial version of mild (miniature) detonating fuse.
	www.hydrocut.com /Terms/L.html (1996 words)

	LEAD
		For general toxicity and environmental fate of lead ions and lead compounds, refer to the LEAD COMPOUNDS record; for compound-specific information, to the appropriate individual record, e.g., lead iodide, lead phosphate, etc.
		/decreases/ in workers with maximal blood leads between 50 and 70 ug/100 g.
		ORAL ADMIN OF Studies have been conducted with nestling kestrels in which oral intubations were administered daily for the first 10 days post-hatching.
	www.frankmckinnon.com /lead1.htm (10973 words)

	lead azides - StormingMedia
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		The Relevance of the De Broglie Velocity (V sub 1 = h/2md sub 1) to Shock Loading Induced Reactions in Lead Azide Date: SEP 91
		Investigation of Analytical Techniques for the Rapid Determination of the Moisture Content of NOL 130 Primer Mix and Lead Azide Date: MAY 86
	www.stormingmedia.us /keywords/lead_azides.html (198 words)

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