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Phosgene was used by the German army from the end of May 1915, when attacks were conducted on the Western Front against French troops and on the Eastern Front on Russians, where 12,000 cylinders with 240–264 long tons (244–268 t) of 95 per cent chlorine and 5 per cent phosgene was discharged on a 7.5 mi (12 km) front at Bolimów. [5]
Phosgene was first deployed as a chemical weapon by the French in 1915 in World War I. [24] It was also used in a mixture with an equal volume of chlorine, with the chlorine helping to spread the denser phosgene. [25] [26] Phosgene was more potent than chlorine, though some symptoms took 24 hours or more to manifest.
British emplacement after German gas attack (probably phosgene) It quickly became evident that the men who stayed in their places suffered less than those who ran away, as any movement worsened the effects of the gas, and that those who stood up on the fire step suffered less—indeed they often escaped any serious effects—than those who lay down or sat at the bottom of a trench.
The gas had a devastating effect, killing many defenders or, when the wind direction changed and blew the gas back, many attackers. The wind being unreliable, another way had to be found to transmit the gas. It began being delivered in artillery shells. [14] Later, mustard gas, phosgene and other gasses were used. Britain and France soon ...
Traces of a toxic, colorless gas were found at the headquarters of Sweden’s security agency where a suspected gas leak last week forced authorities to evacuate some 500 people from the facility ...
Gases were frequently mixed. For example, white star was the name given to a mixture of equal volumes of chlorine and phosgene, the chlorine helping to spread the denser but more toxic phosgene. Despite the rapid technical developments that occurred in the production of specialised agents, chemical weapons suffered from diminishing ...
The situation became problematic on the introduction of the mixed phosgene and chlorine as phosgene is colourless and smells of freshly cut hay. [3] Phosgene was up to six times as potent than chlorine and did not suggest any urgent symptoms that was associated with the coughing and discomfort that chlorine did.
Chemical warfare (CW) involves using the toxic properties of chemical substances as weapons.This type of warfare is distinct from nuclear warfare, biological warfare and radiological warfare, which together make up CBRN, the military acronym for chemical, biological, radiological, and nuclear (warfare or weapons), all of which are considered "weapons of mass destruction" (WMDs), a term that ...