【英文标准名称】:StandardTestMethodfor(ThiolMercaptan)SulfurinGasoline,Kerosine,AviationTurbine,andDistillateFuels(PotentiometricMethod)
【原文标准名称】:电势滴定法测定汽油、煤油、航空汽轮机燃料及馏分燃料中硫醇态硫含量的标准试验方法
【标准号】:ASTMD3227-2004a
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:汽油;硫;石油产品;含量测定;机动车燃料;试验;硫醇;航空燃料;煤油
【英文主题词】:mercaptan;potentiometric;sulfur
【摘要】:Mercaptansulfurhasanobjectionableodor,anadverseeffectonfuelsystemelastomers,andiscorrosivetofuelsystemcomponents.1.1Thistestmethodcoversthedeterminationofmercaptansulfuringasolines,kerosines,aviationturbinefuels,anddistillatefuelscontainingfrom0.0003to0.01mass%ofmercaptansulfur.Organicsulfurcompoundssuchassulfides,disulfides,andthiophene,donotinterfere.Elementalsulfurinamountslessthan0.0005mass%doesnotinterfere.Hydrogensulfidewillinterfereifnotremoved,asdescribedin.1.2ThevaluesinacceptableSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,seeSections,,,and.1.3Thistestmethodprovidesanalternativetousingacadmiumsulfateacidsolution.(Warning-Poison.Maybefatalifswallowedorinhaled.Aknowncarcinogen(animalpositive).)(Warning-Poison.Causessevereburns.Harmfulorfatalifswallowedorinhaled.)1.4Thistestmethodusesleadacetatetestpaper(Warning-Poison,healthhazard,maybetoxicbyingestion,inhalation,orabsorptionthroughtheskin)totestforthepresenceofhydrogensulfideandsodiumhydrogencarbonatefortheremovalofhydrogensulfide.1.5ThistestmethodshallnotbeusedwhenthesampleisarefereesampleorwhenQA/QCprotocolsspecifythetestmethodaswritten.Instancesinwhichtheycanbeusedmaybeinstancesofroutinerefinerycontrolsamples.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:8P.;A4
【正文语种】: