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【英文标准名称】:StandardTestMethodforAnalysisofMagnesiumandMagnesiumAlloysbyAtomicEmissionSpectrometry
【原文标准名称】:用原子发射光谱法分析镁和镁合金的标准试验方法
【标准号】:ASTMB954-2007
【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(US-ASTM)
【起草单位】:B07.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:分析;原子发射光谱法;化学分析和测试;镁;镁合金;金属;测试
【英文主题词】:atomicemissionspectrometry;magnesium;magnesiumalloys;opticalemissionspectrometry
【摘要】:Themetallurgicalpropertiesofmagnesiumanditsalloysarehighlydependantonchemicalcomposition.Preciseandaccurateanalysesareessentialtoobtainingdesiredproperties,meetingcustomerspecificationsandhelpingtoreducescrapduetooff-gradematerial.ThistestmethodisapplicabletochillcastspecimensasdefinedinPracticeB953andcanalsobeappliedtoothertypesofsamplesprovidedthatsuitablereferencematerialsareavailable.1.1Thistestmethoddescribestheanalysisofmagnesiumanditsalloysbyatomicemissionspectrometry.Themagnesiumspecimentobeanalyzedmaybeintheformofachillcastdisk,casting,sheet,plate,extrusionorsomeotherwroughtformorshape.Theelementscoveredinthescopeofthismethodarelistedinthetablebelow.Note1Theconcentrationrangesgivenintheabovescopeareestimatesbasedontwomanufacturersobservationsanddataprovidedbyasupplierofatomicemissionspectrometers.Therangeshownforeachelementdoesnotdemonstratetheactualusableanalyticalrangeforthatelement.Theusableanalyticalrangemaybeextendedhigherorlowerbasedonindividualinstrumentcapability,spectralcharacteristicsofthespecificelementwavelengthbeingusedandtheavailabilityofappropriatereferencematerials.1.2ThistestmethodissuitableprimarilyfortheanalysisofchillcastdisksasdefinedinSamplingPracticeB953.Otherformsmaybeanalyzed,providedthat:(1)theyaresufficientlymassivetopreventundueheating,(2)theyallowmachiningtoprovideaclean,flatsurfacewhichcreatesasealbetweenthespecimenandthesparkstand,and(3)referencematerialsofasimilarmetallurgicalcondition(spectrochemicalresponse)andchemicalcompositionareavailable.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificsafetyandhealthstatementsaregiveninSection10.
【中国标准分类号】:H61
【国际标准分类号】:77_040_30;77_120_20
【页数】:9P.;A4
【正文语种】: