MIL-C-7078/18A
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来源:标准资料网
MIL-C-7078/18A, MILITARY SPECIFICATION SHEET CABLE, ELECTRIC, AEROSPACE VEHICLE, MIL-W-81381/14 BASIC WIRES, UNSHIELDED, UNJACKETED, 600 VOLT, 200C (16 JUN 1978)., This specification sheet is approved for use by the Naval Air Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense.
【英文标准名称】:StandardPracticeforSamplingandDeterminationofHydrogenCyanide(HCN)inCombustionEffluentsandOtherStationarySources
【原文标准名称】:在燃料渗出液和固定排放源中氰化物取样和测定的标准实施规程
【标准号】:ASTMD7295-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D22.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:燃烧;氰化物;测定;渗出液;氰化氢;取样;固定的
【英文主题词】:amperometry;combustiongases;cyanide;firegases;flowinjectionanalysis;hydrogencyanide;stackemissions;workplacemonitoring
【摘要】:Hydrogencyanideishighlytoxic.Inrelativelylowquantities,hydrogencyanidecancauseasphyxiaanddeath.TheNationalFireProtectionAssociationhasassignedaflammabilityratingof4(severefirehazard)tohydrogencyanide.1.1Thispracticeisusedtodeterminetheconcentrationofgaseoushydrogencyanide(HCN)fromanycombustiondeviceoratmospherewherecyanidemaybepresent.WhileprimarilydesignedforthemeasurementofgasphaseHCN,thesamplecollectiondescribedinthispracticealsoincludescyanideion(CN-)absorbedparticlesthatmaybepresentinthesamplingatmosphere.1.1.1SamplescanbecollectedfromaclosedchambersuchastheNBSsmokeboxdescribedinTestMethodE662provideditisequippedwithsamplingports.1.1.2OpenchamberssuchasindustrialworkareasorlargescalefirescanbemonitoredforHCNwiththispractice.1.1.3TheHCNemissionsofaflowthroughsystemcanbedeterminedbysamplingfromitsdischargestack.ExamplesofsuchsystemsincludelargescalemanufacturingapplicationsandtheconecalorimeterdescribedinTestMethodE1354.1.2ThispracticecanbeusedtomonitorHCNlevelsinlabscalefiresmokeeffluentsinordertoestimatetoxicityofgasesproducedfromburningmaterials.SeeGuideE800.1.3Theconcentrationrangeofhydrogencyanidewillbedependentonthevolumeofgassampled,thevolumeofsodiumhydroxidesolutionplacedintheimpingerduringsampling,andtheanalyticalmethodusedtomeasurecyanide.Forexample,thelowerlimitofdetectionwouldbe0.002-mg/m3when0.1-m3ofcombustioneffluentiscollectedinto100-mLsodiumhydroxidesolutionbasedonadetectionlimitof0.002mg/Lcyanideintheimpingersolutionwhenusingtheflowinjectionanalysis(FIA)systemdescribedinTestMethodD6888.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z60
【国际标准分类号】:13_040_40
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Specificationforsecurityseals
【原文标准名称】:安全密封圈规范
【标准号】:BS7480-1992
【标准状态】:作废
【国别】:英国
【发布日期】:1992-02-28
【实施或试行日期】:1992-02-28
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:安全装置;等级(质量);犯罪预防装置;密封件;有保护储存;机械试验;性能试验;分类系统;电子设备及元件;安全标记;设计;储存;性能;安全密封圈;信号装置;作标记;选择
【英文主题词】:
【摘要】:
【中国标准分类号】:J22;G43
【国际标准分类号】:13_310
【页数】:16P;A4
【正文语种】:英语
