ASTM E1361-2002(2007) X射线光谱测定分析中共存元素效应校正的标准指南

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【英文标准名称】:StandardGuideforCorrectionofInterelementEffectsinX-RaySpectrometricAnalysis
【原文标准名称】:X射线光谱测定分析中共存元素效应校正的标准指南
【标准号】:ASTME1361-2002(2007)
【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】:E01.20
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:X射线;导则;X射线光度法;测量
【英文主题词】:fundamentalparameters;influencecoefficients;interelementeffects;X-rayfluorescence
【摘要】:AccuracyinquantitativeX-rayspectrometricanalysisdependsuponadequateaccountingforinterelementeffectseitherthroughsamplepreparationorthroughmathematicalcorrectionprocedures,orboth.ThisguideisintendedtoserveasanintroductiontousersofX-rayfluorescencecorrectionmethods.Forthisreason,onlyselectedmathematicalmodelsforcorrectinginterelementeffectsarepresented.Thereaderisreferredtoseveraltextsforamorecomprehensivetreatmentofthesubject(2-7).1.1Thisguideisanintroductiontomathematicalproceduresforcorrectionofinterelement(matrix)effectsinquantitativeX-rayspectrometricanalysis.1.1.1Theproceduresdescribedcorrectonlyfortheinterelementeffect(s)arisingfromahomogeneouschemicalcompositionofthespecimen.Effectsrelatedtoeitherparticlesize,ormineralogicalormetallurgicalphasesinaspecimenarenottreated.1.1.2Theseproceduresapplytobothwavelengthandenergy-dispersiveX-rayspectrometrywherethespecimenisconsideredtobeinfinitelythick,flat,andhomogeneouswithrespecttothedepthofpenetrationoftheexcitingXrays(2-5).1.2Thisdocumentisnotintendedtobeacomprehensivetreatmentofthemanydifferenttechniquesemployedtocompensateforinterelementeffects.ConsultRefs()fordescriptionsofothercommonlyusedtechniquessuchasstandardaddition,internalstandardization,etc.
【中国标准分类号】:A43
【国际标准分类号】:71_040_50
【页数】:12P.;A4
【正文语种】: