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【英文标准名称】:Samplingandanalysisofiron,steelandotherferrousmetals-Methodsofanalysis-Determinationofcopper-Steelandcastiron:flameatomicabsorptionspectrometricmethod
【原文标准名称】:铁、钢和其他黑色金属抽样与分析法.第3部分:分析方法.第12节:铜含量测定.第3小节:钢和铸铁:火焰原子吸收光谱法
【标准号】:BS6200-3.12.3-1986
【标准状态】:现行
【国别】:英国
【发布日期】:1986-09-30
【实施或试行日期】:1986-09-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;试验设备;铁类合金;分光光度法;火焰光度测定法;原子吸收分光光度测定法;校正;再现性;化学分析和试验;试验条件;精密度;安全措施;铸铁;铜;含量测定
【英文主题词】:Analysis;Atomicabsorptionspectrophotometry;Cast-iron;Chemicalanalysisandtesting;Copper;Determinationofcontent;Iron;Steelproducts;Steels;Testing
【摘要】:ThisInternationalStandardspecifiesamethodforthedeter-minationofcopperinsteelandcastironbymeansofflameatomicabsorptionspectrometry.Themethodisapplicabletocoppercontentsintherange0,004to0,5%(m/m).
【中国标准分类号】:H11
【国际标准分类号】:77_040_30
【页数】:12P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforCriticalRadiantFluxofExposedAtticFloorInsulationUsingaRadiantHeatEnergySource
【原文标准名称】:用辐射热能源测量暴露屋顶层绝缘材料临界辐射通量用标准试验方法
【标准号】:ASTME970-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:E05.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:底部;建筑;建设工程;能源;绝缘材料;辐射热;测试;
【英文主题词】:atticfloorinsulation;cellulosicfiberinsulation;criticalradiantflux;fire;loosefillinsulation;mineralfiberinsulation;radiantpanel;
【摘要】:Thisfire-test-responsestandardisdesignedtoprovideabasisforestimatingoneaspectofthefireexposurebehaviortoexposedinsulationinstalledonthefloorsofbuildingattics.Thetestenvironmentisintendedtosimulateconditionsthathavebeenobservedanddefinedinfull-scaleatticexperiments.Thetestisintendedtobesuitableforregulatorystatutes,specificationacceptance,designpurposes,ordevelopmentandresearch.Thefundamentalassumptioninherentinthetestisthatcriticalradiantfluxisonemeasureofthesurfaceburningcharacteristicsofexposedinsulationonfloorsorbetweenjoistsofattics.Thetestisapplicabletoatticfloorinsulationspecimensthatfolloworsimulateacceptedinstallationpractice.Inthisprocedure,thespecimensaresubjectedtooneormorespecificsetsoflaboratoryfiretestexposureconditions.Ifdifferenttestconditionsaresubstitutedortheanticipatedend-useconditionsarechanged,cautionshouldbeusedtopredictchangesintheperformancecharacteristicsmeasuredbyorfromthistest.Therefore,theresultsarestrictlyvalidonlyforthefiretestexposureconditionsdescribedinthisprocedure.5.5.1Ifthetestresultsobtainedbythistestmethodaretobeconsideredinthetotalassessmentoffirehazardinabuildingstructure,thenallpertinentestablishedcriteriaforfirehazardassessmentdevelopedbyCommitteeE-5mustbeincludedintheconsideration.1.1Thisfire-test-responsestandarddescribesaprocedureformeasuringthecriticalradiantfluxofexposedatticfloorinsulationsubjectedtoaflamingignitionsourceinagradedradiantheatenergyenvironmentinatestchamber.Thespecimenisanyatticfloorinsulation.Thistestmethodisnotapplicabletothoseinsulationsthatmeltorshrinkawaywhenexposedtotheradiantheatenergyenvironmentorthepilotburner.1.2Thisfire-test-responsestandardmeasuresthecriticalradiantfluxatthepointatwhichtheflameadvancesthefarthest.Itprovidesabasisforestimatingoneaspectoffireexposurebehaviorforexposedatticfloorinsulation.Theimposedradiantfluxsimulatesthethermalradiationlevelslikelytoimpingeonthefloorsofatticswhoseuppersurfacesareheatedbythesunthroughtherooforbyflamesfromanincidentalfireintheattic.Thisfire-test-responsestandardwasdevelopedtosimulateanimportantfireexposurecomponentoffiresthatdevelopinattics,butisnotintendedforuseinestimatingflamespreadbehaviorofinsulationinstalledotherthanontheatticfloor.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thetextofthisstandardreferencesnotesandfootnotesthatprovideexplanatoryinformation.Thesenotesandfootnotes,excludingthoseintablesandfigures,shallnotbeconsideredasrequirementsofthisstandard.1.5Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.6Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.
【中国标准分类号】:P31
【国际标准分类号】:91_120_10;91_120_10
【页数】:11P.;A4
【正文语种】: