【英文标准名称】:StandardTestMethodforSpecificSurfaceAreaofAluminaorQuartzbyNitrogenAdsorption
【原文标准名称】:用氮吸附法测定氧化铝和石英表面特性的标准试验方法
【标准号】:ASTMC1069-2009
【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】:C21.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:矾土
【英文主题词】:alumina;nitrogenadsorption;particlesize;quartz;Adsorption;Alumina;Gases;Nitrogenadsorptionsurfacearea;Quartzpowder;Silicacontent;Specificsurfacearea;Surfaceanalysis
【摘要】:Bothsellersandpurchasersofaluminaandquartzwillfindthetestmethodusefultodeterminethespecificsurfaceareaandindirectlyasameasureoftheparticlesizeformaterialspecifications,manufacturingcontrol,andresearchanddevelopment.1.1Thistestmethodcoversthedeterminationofthespecificsurfaceareaofaluminasandsilicasusedinthemanufactureofceramics.Thetestmethodisageneralone,permittingtheuseofanymoderncommercialnitrogenadsorptionapparatusbutstrictlydefiningtheoutgassingprocedure.CalculationsarebasedontheBrunauer-Emmett-Teller(BET)equation.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q65
【国际标准分类号】:81_060_10
【页数】:2P.;A4
【正文语种】:英语