【英文标准名称】:StandardGuideforDeterminationofChemicalElementsinFluidCatalyticCrackingCatalystsbyX-rayFluorescenceSpectrometry(XRF)
【原文标准名称】:X射线荧光光谱法(XRF)测定流化床催化裂化催化剂中的化学元素的标准指南
【标准号】:ASTMD7085-2004(2010)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D32.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:catalysts;fluidcatalyticcracking(FCC);X-rayfluorescencespectrometry(XRF);Chemicalelements;Fluidcatalyticcracking(FCC)catalysts;X-rayspectrometry;XRF(X-rayfluorescence)
【摘要】:ThechemicalcompositionoffreshFCCcatalystandequilibriumFCCcatalystisapredictorofcatalystperformance.TheanalysisofcatalystfinesalsoprovidesinformationontheperformanceoftheFCCunitandthefinescollectiondevice(s).ThechemicalcompositionofequilibriumFCCcatalystisameasureofthehazardousnatureortoxicityofthematerialforpurposesofdisposalorsecondaryuse.1.1Thisguidecoversseveralcomparableproceduresforthequantitativechemicalanalysisofupto29elementsinfluidcatalyticcracking(FCC)catalystbyX-rayfluorescencespectrometry(XRF).Additionalelementsmaybeadded.1.2ThisguideisapplicabletofreshFCCcatalyst,equilibriumFCCcatalyst,spentFCCcatalyst,andFCCcatalystfines.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1Theunitsofppm(mg/kg)areusedinsteadofwt%inTablesX2.3-X2.5forreportingconcentrationofcertainelementsbecauseofindustryconventionandbecausemostoftheseelementsarepresentattracelevels.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.8.1AtestmethodexampleisprovidedfortheanalysisofnickelandvanadiuminequilibriumFCCcatalystusingeitherawavelengthoranenergy-dispersiveX-rayspectrometerandtestspecimenspreparedbythepressedpellettechnique.8.2Thistechniquecanbeextendedtootherelements.16.1AtestmethodexampleisprovidedfortheanalysisofnickelandvanadiuminequilibriumFCCcatalystusingeitherawavelengthoranenergy-dispersiveX-rayspectrometerandusingtestspecimenspreparedbythefusedbeadtechnique.
【中国标准分类号】:G75
【国际标准分类号】:71_040_50
【页数】:10P.;A4
【正文语种】:英语