ANSI/ASTM D5187-1991 用X-射线衍射法测定煅烧石油焦碳中微晶尺寸(LC)的试验方法

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【英文标准名称】:TestMethodforCrystalliteSize(LC)ofCalcinedPetroleumCokebyX-RayDiffraction
【原文标准名称】:用X-射线衍射法测定煅烧石油焦碳中微晶尺寸(LC)的试验方法
【标准号】:ANSI/ASTMD5187-1991
【标准状态】:作废
【国别】:美国
【发布日期】:1991
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:粒度;石油焦碳;测试
【英文主题词】:Grainsize;Petrolcoke;Testing
【摘要】:Thistestmethodcoversthedeterminationofthemeancrystallitethicknessofarepresentative,pulverizedsampleofcalcinedpetroleumcokebyinterpretationofaX-raydiffractionpatternproducedthroughconventionalX-rayscanningtechniques.Calcinedpetroleumcokecontainscrystallitesofdifferentthicknesses.ThistestmethodcoversthedeterminationoftheaveragethicknessofallcrystallitesinthesamplebyempiricalinterpretationoftheX-raydiffractionpattern.Thecrystallitediameter(La)isnotdeterminedbythistestmethod.ThevaluesstatedinSI(metric)unitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareprovidedforinformationpurposesonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E44
【国际标准分类号】:75_160_10
【页数】:
【正文语种】:英语