ASTM D4629-2010 用注射/引入氧化燃烧和化学发光检测法测定液态石油烃中痕量氮的标准试验方法

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【英文标准名称】:StandardTestMethodforTraceNitrogeninLiquidPetroleumHydrocarbonsbySyringe/InletOxidativeCombustionandChemiluminescenceDetection
【原文标准名称】:用注射/引入氧化燃烧和化学发光检测法测定液态石油烃中痕量氮的标准试验方法
【标准号】:ASTMD4629-2010
【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】:D02.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Traceelements--petroleumproducts;Viscosity--petroleumproducts;Processfeeds;Boundarylubricationproperties;Chemiluminescencedetection;Combustion--petroleumproducts;Distillatefuels;Hydrocarbons;Naphthaandnaphthaderivatives;Nitrogenconte
【摘要】:Someprocesscatalystsusedinpetroleumandchemicalrefiningmaybepoisonedwheneventraceamountsofnitrogenousmaterialsarecontainedinthefeedstocks.Thistestmethodcanbeusedtodetermineboundnitrogeninprocessfeedsandmayalsobeusedtocontrolnitrogencompoundsinfinishedproducts.1.1Thistestmethodcoversthedeterminationofthetracetotalnitrogennaturallyfoundinliquidhydrocarbonsboilingintherangefromapproximately50to400x00B0;C,withviscositiesbetweenapproximately0.2and10cSt(mm2/s)atroomtemperature.Thistestmethodisapplicabletonaphthas,distillates,andoilscontaining0.3to100mg/kgtotalnitrogen.Forliquidhydrocarbonscontainingmorethan100mg/kgtotalnitrogen,TestMethodD5762canbemoreappropriate.Thistestmethodhasbeensuccessfullyapplied,duringinterlaboratorystudies,tosampletypesoutsidetherangeofthescopebydilutionofthesampleinanappropriatesolventtobringthetotalnitrogenconcentrationandviscositytowithintherangecoveredbythetestmethod.However,itistheresponsibilityoftheanalysttoverifythesolubilityofthesampleinthesolventandthatdirectintroductionofthedilutedsamplebysyringeintothefurnacedoesnotcauselowresultsduetopyrolysisofthesampleorsolventinthesyringeneedle.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.See6.2,6.4,6.5,6.9,andSection7.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:5P.;A4
【正文语种】:英语