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Topic: Chemical weapon agent


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In the News (Fri 25 Dec 09)

  
  eMedicine - CBRNE - Chemical Warfare Agents : Article Excerpt by: Gregory R Ciottone, MD, FACEP
Chemicals such as phosgene, cyanide, anhydrous ammonia, and chlorine are used widely and frequently are transported by industry.
The accidental release of a methylisocyanate cloud (composed of phosgene and isocyanate) was implicated in the Bhopal disaster in 1984.
Chemical agents often are difficult to protect against and quickly incapacitate the intended targets.
www.emedicine.com /emerg/byname/cbrne---chemical-warfare-agents.htm   (580 words)

  
  Chemical warfare - Wikipedia, the free encyclopedia
Chemical warfare is warfare (and associated military operations) using the toxic properties of chemical substances to kill, injure or incapacitate an enemy.
Chemical warfare is different from the use of conventional weapons or nuclear weapons because the destructive effects of chemical weapons are not primarily due to any explosive force.
Chemical weapons have been used for millennia in the form of poisoned arrows, but evidence can be found for the existence of more advanced forms of chemical weapons in ancient and classical times.
en.wikipedia.org /wiki/Chemical_weapon   (7464 words)

  
 Chemical Weapons Information - Federation of American Scientists
A chemical agent is a substance which is intended for use in military operations to kill, seriously injure or incapacitate people because of its physiological effects.
The "G" agents tend to be non-persistent whereas the "V" agents are persistent.
Chemical agents which attack lung tissue, primarily causing pulmonary edema, are classed as lung damaging agents.
www.fas.org /cw/cwagents.htm   (3379 words)

  
 Tear Gas--Harassing Agent or Toxic Chemical Weapon?
Tear gas is actually the common term for a family of chemical compounds that have been otherwise referred to as "harassing agents" because of their ability to cause temporary disablement.
Agents that could temporarily incapacitate victims were among the first to be developed and were deemed "harassing agents." Of these, chemicals that produce lacrimation and uncontrollable blepharospasm, otherwise known as tear gas agents became the most popular.
Harassing agents are capable of a number of immediately perceived effects: intense irritation of the eyes, causing crying or temporary blindness; irritation of the mucous membranes of the nose, trachea, or lungs, causing coughing, irritation of the throat and stomach, with the induction of vomiting and possibly diarrhea; and irritation of the skin.
www.phrusa.org /research/chemical_weapons/chemjama.html   (3266 words)

  
 What are Chemical Weapons?
A chemical weapon is a man-made agent (in gas or liquid form) which attacks the body’s nerves, blood, skin or lungs causing symptoms such as vomiting, blistering, loss of bodily control and, in some cases, death.
Chemical agents as a weapon can be spread using, for example, a bomb (or an explosion), a crop-dusting plane or an aerosol device.
A chemical attack can affect the contaminated area for several minutes or several days (depending on factors like the concentration of the agent, whether the attack is indoors or outdoors and the weather).
www.chemical-biological-attack-survival-guide.com /chemical-weapons.htm   (664 words)

  
 CNN.com - Suspected chemical warhead found in Kirkuk - Apr. 12, 2003
This suspected chemical warhead discovered at an air base near Kirkuk is marked with a green band, which sources said is the symbol for chemical weaponry.
Weapons experts were called Saturday to an occupied northern Iraqi air base in Kirkuk to determine if a warhead discovered there is laden with a chemical agent.
Two initial "improved chemical agent monitor" (ICAM) tests showed trace amounts of a nerve agent on the baseball bat-length warhead -- at the rear and in the middle where there is a screwed-down circular area about the size of a quarter.
www.cnn.com /2003/WORLD/meast/04/12/sprj.irq.chemical/index.html   (511 words)

  
 Chemical Warfare Agents
chemical substances, whether gaseous, liquid or solid, which might be employed because of their direct toxic effects on man, animals and plants...
Chemical warfare agents are generally also classified according to their effect on the organism.
Incendiary agents such as napalm and phosphorus are not considered to be CW agents since they achieve their effect mainly through thermal energy.
www.opcw.org /resp/html/cwagents.html   (846 words)

  
 Iraq's Chemical Weapon Program
After launching a research effort in the 1970s, Iraq was able to use chemical weapons in its war against Iran and to kill large numbers of its own Kurdish population in the 1980s.
Chemical nerve agents tend to have little or no incubation or latent period in the body.
Chemicals that serve as ingredients for making chemical weapon agents are known as "precursors." In the early stages of its chemical weapon program Iraq imported the necessary precursors.
www.iraqwatch.org /profiles/chemical.html   (2395 words)

  
 CHEMICAL WEAPONS GENERAL INFO   (Site not responding. Last check: 2007-10-11)
To thicken a chemical agent polymers are often dissolved in the agent to produce a highly viscous substance.
Non-persistent agents are released as airborne particles, liquids and gasses; intoxication usually results from the inhalation of the chemical agent.
Chemical ammunition is designed to provide a container for the chemical agent so that it can effectively reach and affect the target or target area.
www.geocities.com /CapeCanaveral/Lab/4239/chemweapons/general.html   (1298 words)

  
 CHEMICAL WEAPONS HISTORY   (Site not responding. Last check: 2007-10-11)
The protocol does have large loopholes including the fact that it does not prohibit the manufacture and threat of use of chemical weapons; the protocol is rather vague in the use of the term "other gas;" and the protocol has no provisions for the punishment of countries that use such chemical weapons.
During 1952 in the United Kingdom, during research on perspective chemical agents being developed from insecticides (chemical weapons often came from the study of insecticides and herbicides) a chemical agent which was many times greater in lethal properties than any other known chemical agent at the time was discovered.
Chemical Agents such as "Agent Orange," "Agent Purple," "Agent Blue," and "Agent White," were used during the Vietnam War to defoliate the vegetation surrounding the enemy.
www.geocities.com /CapeCanaveral/Lab/4239/chemweapons/history.html   (891 words)

  
 Chemical Demil Germany
The basis of the German chemical warfare disposal concept is the incineration of the separated chemical agent fillings at high temperatures, which results in the complete mineralization of the chemical compounds.
The isolated chemical agents and also their metal casings are supplied in 30-liter polyethylene drums and, first, stored in an intermediate storage area designed to hold a week's supply.
Owing to the existence of an incineration plant that is earmarked for the destruction of CW agents, Germany is in compliance with the Chemical Weapons Convention.
www.asanltr.com /ASANews-97/chem_demil_plant.html   (2376 words)

  
 Seeing Through Steel: INEEL Developed Technology Identifies Chemical Weapons
Furthermore, the incinerator operators must know what kind of chemical weapon agent is being disposed of (such as mustard gas, a nerve gas, or an arsenic compound), in order to install the correct monitors on the incinerator's filter system to check for breakdown products.
Chemical weapon projectiles contain a distinctive blasting tube down their centers, which can be seen in an X-ray.
A computer program compares the pattern to a library of chemical weapons and determines what the projectiles are filled with.
www.eurekalert.org /pub_releases/1998-10/INEE-STSI-141098.php   (640 words)

  
 Saddam's Chemical Weapons Campaign: Halabja, March 16, 1988
His goals were to systematically terrorize and exterminate the Kurdish population in northern Iraq, to silence his critics, and to test the effectiveness of his chemical and biological weapons.
Mustard gas, a blistering agent, affects membranes of the nose, throat, and lungs.
Chemical weapons contaminate the food and water supplies, soil, and animal populations
www.state.gov /r/pa/ei/rls/18714.htm   (393 words)

  
 Tear Gas: Harassing Agent or Toxic Chemical Weapon?
liar gas is actually the common term for a family of chemical compounds that have been otherwise referred to as "harassing agents" because of their ability to cause temporary disablement.
Inhalation toxicology studies (10,12) at high levels of CS exposure, however, have demonstrated its ability to cause chemical pneumonitis and fatal pulmonary edema.
Moreover, chemical weapons have generally been noted to be notoriously uneven in their dispersal (17).
www.zarc.com /english/tear_gases/jamateargastoxic.html   (3584 words)

  
 Vietnam Agent Orange Campaign | Educational Materials
Agent Orange was a true weapon of mass destruction and its use should be considered a crime against humanity.
Chemical sprays that included 2,4 D were put on the market for use in controlling weeds in yards and along roads and railroads.
Agent Orange is NOT a conventional weapon: it is, instead, a weapon of mass destruction.
www.vn-agentorange.org /newsletters.html   (3980 words)

  
 CorpWatch : Vietnam: Agent Orange Still Killing After Three Decades
Birth defects resulting from contamination with the chemical herbicide persist in today's third generation of grandchildren of the war and its victims -- with no end in sight.
Agent Orange victims and their families have been fighting for compensation since the 1970s.
Agent Orange contains small amounts of dioxin (TCCD), an animal poison that is extremely difficult to purge from the environment -- and the human body.
www.corpwatch.org /article.php?id=7469   (1024 words)

  
 BBC NEWS | UK | Chemical 'bomb plot' in UK foiled
Osmium tetroxide is not known as a chemical weapon agent
The chemical has a legitimate scientific use for research but is highly destructive to peoples' eyes, lungs and skin.
But Professor Hay told the BBC it would have to be obtained from a specialist chemical supplier and it did not fit the profile of a typical chemical warfare or dirty bomb agent.
news.bbc.co.uk /1/hi/uk/3603961.stm   (535 words)

  
 Chemical Attack : Homeland Security National Terror Alert
Chemical agents are generally liquids, often aerosolized, and most have immediate effects or are delayed for a few hours.
No matter what the agent is or its concentration, evacuation from the area of attack is always advisable unless you are properly equipped with an appropriate breathing device and protective clothing or have access to collective protection.
A chemical or biological attack or incident won’t always be immediately apparent given the fact that many agents are odorless and colorless and some cause no immediately noticeable effects or symptoms.
www.nationalterroralert.com /chemicalattack   (1477 words)

  
 Roundtable on Iraq Policy Alternatives - 5-24-01
Iraq also appears to possess stocks of chemical agent and is known to have had virtually every element of a workable nuclear weapon except the fissile material needed to fuel it.
Such an agent could be produced with a minimum of effort, and a properly released or timed introduction could bring an opponent to its knees.
These avenues included novel chemical agents, such as the Novichok family, which are designed to avoid the routine monitoring provisions of the Chemical Weapons Convention, while being easy and cheap to produce in civilian plants.
www.iraqwatch.org /roundtables/RT1-FINDINGS.htm   (4053 words)

  
 INEEL researchers discover that concrete degrades nerve agent and can predict rate of decay
Although VX has been banned for use through the Chemical Weapons Convention, and most countries are destroying their stock of the chemical, it remains of interest because of possible use by terrorist groups.
IT-SIMS is particularly suited to applications such as chemical weapon agent detection because such chemicals are designed to be both adsorptive and persistent-to stick to any and all surfaces and stay there.
The sputtered molecules, called secondary ions, retain the chemical characteristics of the chemical warfare agent stuck to the surface of the concrete.
www.eurekalert.org /pub_releases/2002-11/dne-ird111402.php   (925 words)

  
 ScienceDaily: Seeing Through Steel: INEEL Developed Technology Identifies Chemical Weapons
Weapon -- A weapon is a tool which can be used during combat to kill or incapacitate, to destroy property, or to otherwise render resources non-functional or unavailable.
Chemical warfare -- Chemical warfare is warfare using the toxic properties of chemical substances to kill, injure or incapacitate an enemy.
Weapons of mass destruction -- Weapons of mass destruction (WMD) generally include nuclear, biological, chemical and, increasingly, radiological...
www.sciencedaily.com /releases/1998/10/981016074620.htm   (1834 words)

  
 Choice of HI-6 antidote in nerve agent, chemical weapon, poisoning
The increased international concern with both the military and terrorist threats from nerve agents has prompted us to critically consider the expected value of the antidotes currently available for treatment of nerve agent poisoning.
A model for the evaluation of the effectiveness should be chosen carefully and consider the type of nerve agent, reactivator and experimental animal.
Based on the presented data, the question of whether it is reasonable to use pralidoxime or obidoxime against nerve agents for us is a simple answer: They are not effective; it makes no sense to use them.
www.asanltr.com /ASANews-97/Antidot_Choice.html   (1241 words)

  
 WPONAC: Iran Chemical Milestones
Thiodiglycol is a chemical weapon (blister agent) precursor.
Thionyl chloride is a chemical weapon (nerve agent) precursor.
May 1998: At the Third Conference of States Parties to the Chemical Weapons Convention, the government of Iran acknowledges for the first time that it had a chemical weapon program during the Iran-Iraq war, but claims that the program was terminated after the war.
www.iranwatch.org /wmd/wmd-cwmilestones.htm   (1194 words)

  
 Tokyo Nerve Gas Earlier Used by Iraq on Kurds
This is the same lethal chemical agent identified in the Tokyo incidents of March 19.
In 1988 testimony before a Senate hearing on chemical weapons, PHR warned of the grave danger in the breach by Iraq of the longstanding taboo against the use of these weapons of mass destruction.
The team collected soil samples from bomb craters located near the village and sent them to be analyzed at the Chemical and Biological Defense Establishment (CBDE) of Great Britain's Ministry of Defense at Porton Down.
www.phrusa.org /research/chemical_weapons/chemsaringas.html   (446 words)

  
 News-88 Tests After Dugway Accident May Explain Gulf Ills   (Site not responding. Last check: 2007-10-11)
One group was exposed to twice the recommended level of a pesticide for parasites, another group to a light dose of the VX chemical-weapon agent blamed for earlier killing the 6,400 sheep.
Other sheep in that group and those exposed to only the VX chemical were mildly affected or unaffected, according to the Army report, which Tuite obtained through the Freedom of Information Act.
While results were less dramatic, cattle had a reaction "somewhat more pronounced" when exposed to a pesticide and a chemical agent than when exposed to just one of them.
personalpages.tds.net /~kknowlto/News_88.htm   (818 words)

  
 Pulmonary agent - Wikipedia, the free encyclopedia
A pulmonary agent (or choking agent) is a chemical weapon agent designed to impede a victim's ability to breathe, resulting in suffocation.
U.S. Army Medical Research Institute of Chemical Defense.
Medical Management of Chemical Casualties Handbook: Pulmonary Agents.
en.wikipedia.org /wiki/Pulmonary_agent   (80 words)

  
 Chemical Weapon Agent Sensing Technique QPAS Developed - Weaponsblog
Chemical Weapon Agent Sensing Technique QPAS Developed - Weaponsblog
Researchers at Pacific Northwest National Laboratory have devised a new chemical weapon agent sensing technique by employing lasers and tuning forks, which they claim could be used to add to the budding defense and homeland security chemical detection necessities.
QPAS is an extremely sensitive and selective chemical detection technique that can be miniaturized and yet is still practical to operate in field environments.
www.weaponsblog.org /entry/chemical-weapon-agent-sensing-technique-qpas-developed   (277 words)

  
 FOXNews.com - Tests on Iraqi Shells Find No Chemical Agent - U.S. & World
Preliminary tests found possible evidence of a nerve agent and a blister agent, but later tests found the contents were not chemical weapons.
During the war, potential chemical and biological findings were sent to a U.S. government laboratory in Fort Detrick, Md., and to a British government laboratory in Portendown, Britain.
In some cases, a third set was sent to the United Nations' chemical weapons watchdog agency in The Hague, Netherlands.
www.foxnews.com /story/0,2933,108390,00.html   (861 words)

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