warfare agents chemical warfere agents(cwe) biological weapons：毒剂化学warfere剂（cwe）生物武器

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1、WARFAREAGENTSAnushaDhammiWeerasooriyaResearchOfficerNationalPoisons&DrugInformationCentreWarfareAgentsChemicalWarfareAgents(CWA)BiologicalWeapons(BW)AgentsthatchokingorthatirritatethelungsBloodagentsBlisteringagentsNerveagentsHistory1915–CWoccurredduringWorldWar1-Germanfo

2、rcesreleased160tonsofcl2gas-killed5000soldiers.1915-1918WW1Ger&britishforcesused113000tonsofcl2,mustardgas,phosphene-killed92000-1millionpe:1925-GenevaprotocolbannedusingofCWandBW–initiallysignedby38nations.Nowover130nations.1930-1940WW11didn’tuseBWorCWButGermansdevelopedC

3、WnerveagentsSarin,Tabun,Soman1970-DuringVietnamWarU.S.useddefoliants1995–SaringasreleasedintotheTokyosubwaysystem,killed12people&injuredover5500peoplein16stations.DefinitionAnychemicalwhichthroughitschemicaleffectonlivingprocessmaycausedeath,temporarylossofperformanceorper

4、manentinjurytopeopleandanimals.CWAgentsareHighlytoxicNottoodifficulttohandlecapableofbeingstoredafterlongperiodsincontainerswithoutdegradation&corrodingResistanttoatmosphericwater&oxygenWithstandtheheatdevelopedwhendispersedChemicalwarfareagentsHighlytoxicNottoodifficultto

5、handleCapableofbeingstoredafterlongperiodsincontainerswithoutdegradation&corrodingResistanttoatmosphericwater&oxygenWithstandtheheatdevelopedwhendispersedwithanexplosivedeviceChlorineandPhosgeneThesecanbegaseousorliquidformsPhosgeneknownasacarbonylchlorideLethaltypeofchoki

6、ngandirritantagentsCanactasaerosolsandpenetratethebodythroughtheRespiratorysystemChlorineandPhosgeneSymptomsPhosgene:*IrritationEffects.*Corrosiveeffectstotheeyes(blurredvision),skinandrespiratorytract*Longterm:-LungfibrosisofthelungscausingimpairedlungfunctionsChlorine:Qu

7、icklyburnstissuesofthenose,mouthandlungsHydrogenCyanideandCyanidesalts(BloodAgent)Highlypoisonous&sufficientconcentrations,rapidlyleadstodeath.Concentration(mg/m3)Effect300Immediatelylethal200Le:after10minutes150Le:after30min120-150fatal30-60min50-6020min-1hrwithouteffect2

8、0-40lightsym:afterseveralhrs.HydrogenCyanideandCyanidesalts(BloodAgent)contd…Colourlessli