SAE AMS4779 Nickel Alloy, Brazing Filler Metal 94ni 3.5si 1.8b 1800 to 1950Mdf (982 to 1066Mdc) Solidus-Liquidus Range
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Product Code:SAE AMS4779
Title:Nickel Alloy, Brazing Filler Metal 94ni 3.5si 1.8b 1800 to 1950Mdf (982 to 1066Mdc) Solidus-Liquidus Range
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a nickel alloy in the form of wire, rod, strip, foil, and powder and a viscous mixture (paste) of the powder in a suitable binder.
【英文标准名称】:StandardTestMethodforAnalysisofIsopropylbenzene(Cumene)byGasChromatography(ExternalStandard)
【原文标准名称】:气相色谱法分析异丙基苯的标准试验方法
【标准号】:ASTMD7057-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D16.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:alpha-methylstyrene;analysisbygaschromatography;benzene;butylbenzene;cumene;cymene;diisopropylbenzene;ethylbenzene;isopropylbenzene;methylcumene;nonaromatichydrocarbons;propylbenzene;toluene;Aromatichydrocar
【摘要】:Thistestmethodissuitableforsettingspecificationsonthematerialsreferencedin1.2andforuseasaninternalqualitycontroltoolwhereisopropylbenzeneisproducedorisusedinamanufacturingprocess.Itmayalsobeusedindevelopmentorresearchworkinvolvingisopropylbenzene.Thistestmethodisusefulindeterminingthepurityofisopropylbenzenewithnormalimpuritiespresent.Ifextremelyhighboilingorunusualimpuritiesarepresentintheisopropylbenzene,thistestmethodwouldnotnecessarilydetectthemandthepuritycalculationwouldbeerroneous.Cumenehydroperoxide,ifpresent,willyieldthermaldecompositionproducts,primarilyAPandDMPCasstatedin4.1,thatwilleluteinthechromatogramtherebygivingincorrectresultsunlesstheyareexcludedasindicatedin4.1.Itisalsopossibletogeterroneousresultsfortracealpha-methylstyrenepresentinisopropylbenzeneiftheinlethasbecomeundulycontaminatedwithnon-volatileforeignsubstances.Thenonaromatichydrocarbonscommonlypresentfromtheisopropylbenzenemanufacturingprocess,particularlyanon-zeoliticone,willinterferewiththedeterminationofxylenes(ifpresent).1.1Thistestmethodcoversthedeterminationofthepurityofisopropylbenzene(cumene)bygaschromatography.Calibrationofthegaschromatographysystemisdonebytheexternalstandardcalibrationtechnique.1.2Thistestmethodhasbeenfoundapplicabletothemeasurementofimpuritiessuchasnonaromatichydrocarbons,benzene,toluene,ethylbenzene,phenol,cymenes,t-butylbenzene,n-butylbenzene,n-propylbenzene,alpha-methylstyrene,sec-butylbenzene,anddiisopropylbenzenes,whichareimpuritiesthatcanbefoundinisopropylbenzene.Thelatterimpuritiescanbeanalyzedoverarangeof1mg/kgto500mg/kgbythismethod(seeTable1).ThelimitofdetectionfortheseimpuritiesissummarizedinTable1aswell.1.3Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection8.TABLE1SummaryofPrecisionData(mg/kg)CompoundRepeatabilityReproducibilityRangeStudiedBenzene
1.004+0.006*Benzene
0.924+0.158*Benzene
1.0x2013;295
Toluene
0.644+0.009*Toluene
1.505+0.069*Toluene
0.2x2013;260
Ethylbenzene(EB)
1.249+0.022*EB
【英文标准名称】:Ventedopen-outletboiler,wallmountingtype,capacityupto5litres;characteristicsofperformance,tests
【原文标准名称】:墙壁安装型,容量5升以内带排气开放口锅炉.使用特性、检验
【标准号】:DIN44536-2-1983
【标准状态】:现行
【国别】:德国
【发布日期】:1983-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:预算;试验;水加热器;材料强度;电驱动装置;容器;家用的;使用说明;机械试验
【英文主题词】:strengthofmaterials;waterheaters;mechanicaltesting;budgets;household;instructionsforuse;testing;containers;electrically-operateddevices
【摘要】:Ventedopen-outletboiler,wallmountingtype,capacityupto5litres;characteristicsofPerformance,testsFürdenAnwendungsbereichdieserNormbestehenkeineentsprechendenregionalenoderinternationalenNormen.
【中国标准分类号】:Y63
【国际标准分类号】:91_140_60
【页数】:3P;A4
【正文语种】:德语
