Product Code:SAE ARP1199
Title:Selection, Application, and Inspection of Electric Overcurrent Protective Devices
Issuing Committee:Ae-8b1 Protective Devices Committee
Scope: This Aerospace Recommended Practice provides technical and application information needed by the designers of aircraft electric systems and support equipment for the selection of overcurrent protective devices. It provides definitions to permit comparisons of various electric circuit protective devices. Included also are recommended procedures for periodic inspection.【英文标准名称】:StandardTestMethodforDeterminationofDichloromethaneand1,1,1-TrichloroethaneinPaintsandCoatingsbyDirectInjectionintoaGasChromatograph
【原文标准名称】:直接注入气相色谱仪法测定涂料及涂层中二氯甲烷和1,1,1-三氯乙烷的标准试验方法
【标准号】:ASTMD4457-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:D01.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:chlorinatedhydrocarbonsinpaintsbygaschromatograph;dichloromethane,inpaints;exemptedsolventinpaints;gaschromatograph,halohydrocarbon;1,1,1-trichloroethane,inpaints;Gaschromatography(GC)--paints/relatedcoatings/materials;Solvents--pa
【摘要】:Useof1,1,1-trichloroethaneanddichloromethane,whichdonotmeasurablycontributetotheatmosphericoxidantlevel,isawayforindustrytomeetgovernmentorotherregulationsonvolatileorganiccompounds.Thistestmethodisdesignedtodeterminethecontentofthesehalohydrocarbonsolventsinpaintsandcoatings.Thatcontentcansubsequentlybeusedincalculatingthevolatileorganiccompoundcontentofacoating.1.1Thistestmethodcoversthedeterminationoftotalamountofdichloromethaneor1,1,1-trichloroethane,orboth,inpaintsandcoatings.Ithasbeenevaluatedforcellulosenitrate,alkyd,vinyl,andstyrene-butadienesystems.Ithasnotyetbeenevaluatedforotherformulations,butisbelievedtobeapplicable.Theestablishedworkingrangeofthistestmethodisfrom31to65%for1,1,1-trichloroethaneand32to78%fordichloromethane.Thereisnoreasontobelieveitwillnotworkoutsideoftheseranges.Thepresenceof1-propanolinpaintsandcoatingsrequirestheuseofadifferentinternalstandard.(SeealsoPracticeE260.)1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection7.
【中国标准分类号】:G50
【国际标准分类号】:87_040
【页数】:4P.;A4
【正文语种】:英语