Designation:D2007−11StandardTestMethodforCharacteristicGroupsinRubberExtenderandProcessingOilsandOtherPetroleum-DerivedOilsbytheClay-GelAbsorptionChromatographicMethod1ThisstandardisissuedunderthefixeddesignationD2007;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversaprocedureforclassifyingoilsamplesofinitialboilingpointofatleast260°C(500°F)intothehydrocarbontypesofpolarcompounds,aromaticsandsaturates,andrecoveryofrepresentativefractionsofthesetypes.Thisclassificationisusedforspecificationpurposesinrubberextenderandprocessingoils.NOTE1—SeeTestMethodD2226.1.2Thistestmethodisnotdirectlyapplicabletooilsofgreaterthan0.1mass%pentaneinsolubles.Suchoilscanbeanalyzedafterremovalofthesematerials,butprecisionisdegraded(seeAppendixX1).1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificwarningstatementsaregivenin6.1,Section7,A1.4.1,andA1.5.5.2.ReferencedDocuments2.1ASTMStandards:2D2226ClassificationforVariousTypesofPetroleumOilsforRubberCompoundingUseD5309SpecificationforCyclohexane999E691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1Thefollowingtermsrefertothehydrocarbontypesandstructuralgroupsasmeasuredbythistestmethod:3.1.2aromatics—materialthat,onpercolation,passesthroughacolumnofadsorbentclayinan-pentaneeluentbutadsorbsonsilicagelundertheconditionsspecified.3.1.3asphaltenes,orn-pentaneinsolubles—insolublemat-terthatprecipitatesfromasoluti...
