ASTM D1157-1991(2009) 轻质烃总抑制剂含量(TBC)的标准试验方法

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【英文标准名称】:StandardTestMethodforTotalInhibitorContent(TBC)ofLightHydrocarbons
【原文标准名称】:轻质烃总抑制剂含量(TBC)的标准试验方法
【标准号】:ASTMD1157-1991(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1991
【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】:D02.D0.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:lighthydrocarbons;oxidationinhibitor;p-tertiarybutylcatechol;photometer;Butadiene(petroleumapplications);Inhibitors;Lighthydrocarbons;Totalinhibitorcontent(TBC)
【摘要】:p-tertiary-butylcatecholiscommonlyaddedtocommercialbutadieneinamountsof50to250mg/kgasanoxidationinhibitor.ThistestmethodissuitableforusebybothproducersandusersofbutadienewithinthelimitationsdescribedinSection1.1.1Thistestmethodcoversthedeterminationoftotalp-tertiary-butylcatecholinhibitoraddedtopolymerizationandrecyclegradesofbutadieneortootherC4hydrocarbonmixturescontainingnophenolicmaterialotherthancatecholornooxidizedphenolicmaterialotherthanthatderivedfromoxidationofcatechol.Ingeneral,allphenolsandtheirquinoneoxidationproductsareincludedinthecalculatedcatecholcontent.Smallamountsofpolymerdonotinterfere.ThistestmethodisapplicableovertherangeofTBCfrom50to500mg/kg.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G17
【国际标准分类号】:71_080_01
【页数】:3P.;A4
【正文语种】:英语