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【英文标准名称】:StandardGuideforHandlingSpecimensPriortoSurfaceAnalysis
【原文标准名称】:先于表面分析的样品处置标准指南
【标准号】:ASTME1829-2009
【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】:E42.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:Augerelectronspectroscopy;secondaryionmassspectrometry;specimenhandling;surfaceanalysis;X-rayphotoelectronspectroscopy;Specimenpreparation(fortesting)--spectrochemicalanalysis;Surfaceanalysis--spectrochemicalanalysis;Augerelectrons
【摘要】:Properhandlingandpreparationofspecimensisparticularlycriticalforanalysis.Improperhandlingofspecimenscanresultinalterationofthesurfacecompositionandunreliabledata.Specimensshouldbehandledcarefullysoastoavoidtheintroductionofspuriouscontaminants.Thegoalmustbetopreservethestateofthesurfacesothatanalysisremainsrepresentativeoftheoriginalsubject.AES,XPS,andSIMSaresensitivetosurfacelayersthataretypicallyafewnanometresthick.Suchthinlayerscanbesubjecttosevereperturbationsfromimproperspecimenhandling(1).Thisguidedescribesmethodstominimizetheeffectsofspecimenhandlingontheresultsobtainedusingsurface-sensitiveanalyticaltechniques.Itisintendedforthespecimenownerorthepurchaserofsurfaceanalyticalservicesandthesurfaceanalyst.Becauseofthewiderangeoftypesofspecimensanddesiredinformation,onlybroadguidelinesandgeneralexamplesarepresentedhere.Theoptimumhandlingprocedureswillbedependentontheparticularspecimenandtheneededinformation.Itisrecommendedthatthespecimensupplierconsultthesurfaceanalystassoonaspossiblewithregardtospecimenhistory,thespecificproblemtobesolvedorinformationneeded,andtheparticularspecimenpreparationorhandlingproceduresrequired.ThesurfaceanalystalsoisreferredtoGuideE1078thatdiscussesadditionalproceduresforpreparing,mounting,andanalysisofspecimens.1.1Thisguidecoversspecimenhandlingandpreparationpriortosurfaceanalysisandappliestothefollowingsurfaceanalysisdisciplines:1.1.1Augerelectronspectroscopy(AES),1.1.2X-rayphotoelectronspectroscopy(XPSorESCA),and1.1.3Secondaryionmassspectrometry(SIMS).1.1.4AlthoughprimarilywrittenforAES,XPS,andSIMS,thesemethodsmayalsoapplytomanysurface-sensitiveanalysismethods,suchasionscatteringspectrometry,low-energyelectrondiffraction,andelectronenergylossspectroscopy,wherespecimenhandlingcaninfluencesurface-sensitivemeasurements.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:71_040_50
【页数】:5P.;A4
【正文语种】:英语