【英文标准名称】:StandardTestMethodforFreeWaterandParticulateContaminationinDistillateFuels(VisualInspectionProcedures)
【原文标准名称】:馏分燃料中游离水和颗粒杂质的标准试验方法(外观检查法)
【标准号】:ASTMD4176-2004(2009)
【标准状态】:现行
【国别】:美国
【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】:D02.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cleanliness;distillatefuel;freewater;particulatecontamination;visualinspection;visualratings;Appearanceofmaterials;Clarity/cleanness;Clearandbrightrating;Color--petroleumproducts;Contamination--petroleumproducts;Distillatefuels;Pa
【摘要】:Ithaslongbeenthepracticetoincludeinfuelspecificationsarequirementthatthefuelbeclearandbrightandfreeofvisibleparticulatematter(seeNote1).However,therehasbeennostandardmethodformakingthisdeterminationsothatpracticeshavediffered.Thistestmethodprovidesstandardproceduresforthetest.Note18212;Cleanandbrightissometimesusedinplaceofclearandbright.Themeaningisidentical.Procedure1providesarapidpass/failmethodforcontaminationinadistillatefuel.Procedure2providesagrossnumericalratingofhazeappearance,primarilyasacommunicationtool.Othertestmethods,includingTestMethodsD1744,D2276,D2709,andD4860,permitquantitativedeterminationsofcontaminants.NorelationshiphasbeenestablishedbetweenProcedure2andvariousquantitativemethods.Limitedlaboratoryevaluationsofsamplesthathavefailedthisclearandbrighttestindicatethatanexperiencedtestercandetectaslittleas40ppmoffreewaterinthefuel.1.1Thistestmethodcoverstwoproceduresforestimatingthepresenceofsuspendedfreewaterandsolidparticulatecontaminationindistillatefuelshavingdistillationendpointsbelow400x00B0;CandanASTMcolorof5orless.1.1.1Bothprocedurescanbeusedasfieldtestsatstoragetemperatures,oraslaboratorytestsatcontrolledtemperatures.1.1.2Procedure1providesarapidpass/failmethodforcontamination.Procedure2providesagrossnumericalratingofhazeappearance.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:4P.;A4
【正文语种】:英语