Designation:D5853−11Designation:441/99StandardTestMethodforPourPointofCrudeOils1ThisstandardisissuedunderthefixeddesignationD5853;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoverstwoproceduresforthedeter-minationofthepourpointtemperaturesofcrudeoilsdownto−36°C.ProcedureAprovidesameasureofthemaximum(upper)pourpointtemperatureandisdescribedin9.1.Proce-dureBprovidesameasureoftheminimum(lower)pourpointtemperatureandisdescribedin9.2.1.2Theuseofthistestmethodislimitedtouseforcrudeoils.PourpointtemperaturesofotherpetroleumproductscanbedeterminedbyTestMethodD97.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4WARNING—Mercuryhasbeendesignatedbymanyregulatoryagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidneyandliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercurycontainingproducts.SeetheapplicableproductMa-terialSafetyDataSheet(MSDS)fordetailsandEPA’swebsite—http://www.epa.gov/mercury/faq.htm—foraddi-tionalinformation.Usersshouldbeawarethatsellingmercuryand/ormercurycontainingproductsintoyourstateorcountrymaybeprohibitedbylaw.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.2.ReferencedDocuments2.1ASTMStandards:2D97TestMethodforPourPointofPetroleumProductsD130TestMethodforCorrosivenesstoCopperfromPetro-leumProductsbyCopperStripTestD323TestMethodforVaporPressureofPetroleumProducts(ReidMethod)D4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4177Pr...