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       #Post#: 1067--------------------------------------------------
       Mustard gas
   DIR By: Michel
       Date: November 7, 2012, 10:22 am
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       Mustard gas is a chemical weapon which is classified as a
       vesicant, meaning that it causes blisters and lesions on the
       skin and in the respiratory tract. This chemical weapon was
       infamously used during the First World War, and this usage
       undoubtedly contributed to the decision to ban the use of such
       weapons in war in the Geneva Protocol of 1925. Mustard gas, also
       known as sulfur mustard orH, is among the list of chemical
       weapons in the Chemical Weapons Convention of 1993, which bans
       the production, use, sale, or stockpiling of such weapons.
       Impure mustard gas smells a bit like mustard or onions, and
       sometimes has a yellow appearance, which explains the common
       name. When purified, however, it is odourless and colourless,
       which can potentially be very dangerous, as symptomsof mustard
       gas exposure typically take several hours to setin. When
       treatment is offered promptly after exposure, recovery is
       possible; after severalhours of exposure, however, it can be
       difficult to reverse the effects of the mustard gas.
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