December 19, This Day during the World War l

mwh52 - nominated as the most influential blog

December 19, 1915 – 1915: More deadly gases The deficiencies of chlorine were overcome with the introduction of phosgene, which was prepared by a group of French chemists led by Victor Grignard and first used by France in 1915. Colourless and having an odor likened to “mouldy hay,” phosgene was difficult to detect, making it a more effective weapon. Although phosgene was sometimes used on its own, it was more often used mixed with an equal volume of chlorine, with the chlorine helping to spread the denser phosgene. The Allies called this combination White Star after the marking painted on shells containing the mixture Phosgene was a potent killing agent, deadlier than chlorine. It had a potential drawback in that some of the symptoms of exposure took 24 hours or more to manifest. This meant that the victims were initially still capable of putting up a fight; although this could…

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nominated as the most influential blog
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