Designation:D3827−92(Reapproved2012)StandardTestMethodforEstimationofSolubilityofGasesinPetroleumandOtherOrganicLiquids1ThisstandardisissuedunderthefixeddesignationD3827;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversaprocedureforestimatingtheequilibriumsolubilityofseveralcommongasesinpetroleumandsyntheticlubricants,fuels,andsolvents,attemperaturesbetween0and488K.1.2Thistestmethodislimitedtosystemsinwhichpolarityandhydrogenbondingarenotstrongenoughtocauseseriousdeviationsfromregularity.SpecificallyexcludedaresuchgasesasHCl,NH3,andSO2,andhydroxyliquidssuchasalcohols,glycols,andwater.EstimatingthesolubilityofCO2innonhydrocarbonsisalsospecificallyexcluded.1.3Highlyaromaticoilssuchasdiphenoxyphenyleneethersviolatethestatedaccuracyabove363K,atwhichpointtheestimatefornitrogensolubilityis43%higherthantheobservation.1.4Lubricantsaregivenpreferenceinthistestmethodtotheextentthatcertainempiricalfactorswereadjustedtothelubricantdata.Estimatesfordistillatefuelsaremadefromthelubricantestimatesbyafurthersetofempiricalfactors,andarelessaccurate.Estimatesforhalogenatedsolventsaremadeasiftheywerehydrocarbons,andaretheleastaccurateofthethree.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1218TestMethodforRefractiveIndexandRefractiveDispersionofHydrocarbonLiquidsD1250GuideforUseofthePetroleumMeasurementTablesD1298TestMethodforDensity,RelativeDensity(SpecificGravity),orAPIGravityofCrudePetroleumandLiquidPetroleumProdu...