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【英文标准名称】:StandardTestMethodforTotalMolybdenuminFreshAlumina-BaseCatalysts
【原文标准名称】:测定新制氧化铝基催化剂中的总钼含量的标准试验方法
【标准号】:ASTMD3943-2010
【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】:D32.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:alumina-basecatalysts(fresh);JonesReduction;molybdenum;Alumina-basecatalysts;Catalysts/catalystcarriers;Jonesreduction;Molybdenumcontent
【摘要】:Thistestmethodsetsforthaprocedurebywhichcatalystsamplescanbecomparedeitheronaninterlaboratoryorintralaboratorybasis.Itisanticipatedthatcatalystproducersanduserswillfindthismethodofvalue.1.1Thistestmethodcoversthedeterminationofmolybdenuminalumina-basecatalystsandhasbeencooperativelytestedatmolybdenumconcentrationsfrom8to18weight%,expressedasMoO3.Anycomponentofthecatalystotherthanmolybdenumsuchasiron,tungsten,etc.,whichiscapableofbeingoxidizedbyeitherferricorcericionsafterbeingpassedthroughazinc-amalgamreductorcolumn(Jonesreductor)willinterfere.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G74
【国际标准分类号】:71_040_30
【页数】:4P.;A4
【正文语种】:英语