标准资料网-标准资料免费资源平台

【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】:ASTME1829-2002
【标准状态】:现行
【国别】:
【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】: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
【摘要】:Properhandlingandpreparationofspecimensisparticularlycriticalforanalysis.Improperhandlingofspecimenscanresultinalterationofthesurfacecompositionandunreliabledata.Specimensshouldbehandledcarefullysoastoavoidtheintroductionofspuriouscontaminants.Thegoalmustbetopreservethestateofthesurfacesothatanalysisremainsrepresentativeoftheoriginalsubject.Augerelectronspectroscopy(AES),X-rayphotoelectronspectroscopy(XPS),andsecondaryionmassspectroscopy(SIMS)aresensitivetosurfacelayersthataretypicallyafewnanometresthick.Suchthinlayerscanbesubjecttosevereperturbationsfromimproperspecimenhandling(1).3Thisguidedescribesmethodstominimizetheeffectsofspecimenhandlingontheresultsobtainedusingsurface-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.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J04
【国际标准分类号】:71_040_50(PHYSICOCHEMICALMETHODSOFANALYSIS)
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Roofingproductsfrommetalsheet-Specificationforself-supportingproductsofsteel,aluminiumorstainlesssteelsheet-Part1:Steel;GermanversionEN508-1:2000
【原文标准名称】:金属薄板屋面制品.钢、铝或不锈钢薄板制半支撑屋面制品规范.第1部分:钢
【标准号】:EN508-1-2000
【标准状态】:现行
【国别】:
【发布日期】:2000-12
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:材料;作标记;金属;薄板屋顶;不锈钢;薄板材;房顶工作;薄钢板;规范;屋顶层;质量控制;建筑;试验;特性;定义;规范(验收);屋顶铺设;铝;铝薄板材;钢
【英文主题词】:Aluminium;Aluminiumsheets;Characteristics;Construction;Definition;Definitions;Marking;Materials;Metals;Qualitycontrol;Roofcoverings;Roofing;Roofingwork;Sheetmaterials;Sheetroofcoverings;Sheetsteels;Specification;Specification(approval);Stainlesssteels;Steels;Testing
【摘要】:
【中国标准分类号】:Q73
【国际标准分类号】:77_140_50;91_060_20
【页数】:29P.;A4
【正文语种】:英语