Designation:D5773−21Designation:IP446/09StandardTestMethodforCloudPointofPetroleumProductsandLiquidFuels(ConstantCoolingRateMethod)1ThisstandardisissuedunderthefixeddesignationD5773;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThistestmethoddescribesanalternativeprocedureforthedeterminationofcloudpointofpetroleumproductsTestMethodD2500/IP219usinganautomaticapparatus.ThetemperatureresultsfromthistestmethodhavebeenfoundtobeequivalenttoTestMethodD2500/IP219.WhenspecificationrequiresTestMethodD2500/IP219,donotsubstitutethistestmethodoranyothermethodwithoutobtainingcomparativedataandagreementfromthespecifier.1.Scope*1.1Thistestmethodcoversthedeterminationofthecloudpointofpetroleumproductsandbiodieselfuelsthataretransparentinlayers40mminthicknessbyanautomaticinstrumentusingaconstantcoolingrate.1.2Thistestmethodcoverstherangeoftemperaturesfrom−60°Cto+49°Cwithtemperatureresolutionof0.1°C,however,therangeoftemperaturesincludedinthe1997interlaboratorycooperativetestprogramonlycoveredthetemperaturerangeof–56°Cto+34°C.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D2500TestMethodforCloudPointofPetroleumProductsandLiquidFu...
