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【英文标准名称】:StandardTestMethodforDeterminationofLowSurfaceAreaofCatalystsbyMultipointKryptonAdsorption
【原文标准名称】:用多点氪吸附法测定催化剂的低表面面积的标准试验方法
【标准号】:ASTMD4780-1995(2007)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D32.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:表面吸附;催化剂;试验;氪
【英文主题词】:
【摘要】:Thistestmethodhasbeenfoundusefulforthedeterminationofthespecificsurfaceareaofcatalystsandcatalystcarriersintherangefrom0.05to10m2/gformaterialsspecification,manufacturingcontrol,andresearchanddevelopmentintheevaluationofcatalysts.Thedeterminationofsurfaceareaofcatalystsandcatalystcarriersabove10m2/gisaddressedinTestMethodD3663.1.1Thistestmethodcoversthedeterminationofthespecificsurfaceareaofcatalystsandcatalystcarriersintherangefrom0.05to10m2/g.AvolumetricmeasuringsystemisusedtoobtainatleastthreedatapointswhichfallwithinthelinearBETregion.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G74
【国际标准分类号】:71_040_30
【页数】:5P.;A4
【正文语种】: