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Submitted by oppapers on April 16, 2001
Category: Science
Words: 623 | Pages: 3
Views: 925
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Chemical Warfare and Its Uses
Chemical warfare is the use of natural and man-made toxic
substances to incapacitate or kill an enemy. There are many different types
of agents used in chemical warfare, some of which are mustard gases, nerve
gases, psychotomimetic agents, tear gases, hydrogen cyanide, and arsines.
All of which are very poisonous and lethal when exposed to humans in large
amounts. Until the 20th century such warfare was primarily limited to
starting fires, poisoning wells, distributing smallpox-infected articles,
and using smoke to confuse the enemy. Today however, it is used as lethal
combative.
Mustard Agents
Mustard agents are usually classified as "blistering agents" owing
to the similarity of the wounds caused by these substances resembling burns
and blisters. However, since mustard agents also cause severe damage to the
eyes, respiratory system and internal organs, they should preferably be
described as "blistering and tissue-injuring agents". Normal mustard agent,
bis-(2-chloroethyl)sulphide, reacts with a large number of biological
molecules. The effect of mustard agent is delayed and the first symptoms do
not occur until between 2-24 hours after exposure.Mustard agent is simple
to manufacture and can therefore be a "first choice" when a country decides
to build up a capacity for chemical warfare.
Mustard agent was produced for the first time in 1822 but its
harmful effects were not discovered until 1860. Mustard agent was first
used as a CW agent during the latter part of the First World War and caused
lung and eye injuries to a very large number of soldiers. Many of them
still suffered pain 30-40 years after they had been exposed, mainly as a
result of injuries to the eyes and chronic respiratory disorders.
In its pure...
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