ASTM D3802-2010 活性碳球盘硬度的标准试验方法

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【英文标准名称】:StandardTestMethodforBall-PanHardnessofActivatedCarbon
【原文标准名称】:活性碳球盘硬度的标准试验方法
【标准号】:ASTMD3802-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Activatedcarbon--granular;Ball-panhardness;Hardnesstests
【摘要】:Severalmethodshavebeenemployedinthepastfordeterminingtheresistanceofactivatedcarbonstoparticlesizedegradationunderserviceconditions,includingtheball-panmethod,thestirringbarmethod,andthedustelutriationmethod.Noneofthesehasprovedcompletelysatisfactoryforallapplications,andallhavebeenquestionedbyASTMCommitteeD28onActivatedCarbonastestsforestablishingdegradationresistance.However,theball-panmethodhasbeenusedwidelyinthepastandhasabroadhistoryintheactivatedcarbonindustryformeasuringthepropertylooselydescribedasx201C;hardness.x201D;Inthiscontextthetestisusefulinestablishingameasurablecharacteristicofacarbon.Concedingthefactthatthetestdoesnotactuallymeasurein-serviceresistancetodegradation,itcanbeusedtoestablishthecomparabilityoflotsostensiblyofthesamegradeofcarbon.1.1Thistestmethodcoversaprocedurefordeterminingtheball-panhardnessnumberofgranularactivatedcarbons.Forthepurposeofthistest,granularactivatedcarbonsarethosehavingparticles90%ofwhicharelargerthan80mesh(180x03BC;m)asdeterminedbyTestMethodD2862.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G77
【国际标准分类号】:71_040_30
【页数】:4P.;A4
【正文语种】:英语