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【英文标准名称】:StandardTestMethodforDeterminationofCatalystAciditybyAmmoniaChemisorption
【原文标准名称】:用氨化学吸附法测定催化剂酸度的标准试验方法
【标准号】:ASTMD4824-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:
【英文主题词】:catalysts;nitrogenadsorption;poresizedistribution;Acidity,alkalinity,pH--petroleumproducts;Ammoniatest;Catalysts/catalystcarriers;Chemisorption;Nitrogenadsorption;Poresizecharacteristics/analysis;Sorptioncapacity/rate;Volumetricmeas
【摘要】:Thistestmethodcanbeusedtodeterminetheacidityofcatalystsandcatalystcarriersbyammoniachemisorptionformaterialsspecifications,manufacturingcontrol,andresearchanddevelopmentintheevaluationofcatalysts.1.1Thistestmethodcoversthedeterminationofacidityofcatalystsandcatalystcarriersbyammoniachemisorption.Avolumetricmeasuringsystemisusedtoobtaintheamountofchemisorbedammonia.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.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】:3P.;A4
【正文语种】:英语