Designation:D7059−09(Reapproved2013)StandardTestMethodforDeterminationofMethanolinCrudeOilsbyMultidimensionalGasChromatography1ThisstandardisissuedunderthefixeddesignationD7059;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofmethanolincrudeoilsbydirectinjectionmultidimensionalgaschroma-tographyintheconcentrationrangeof15to900ppm(m/m).Thepooledlimitofquantification(PLOQ)is15ppm(m/m).1.2Thistestmethodisapplicableonlytocrudeoilscon-taininglessthanorequalto0.1%(v/v)water.1.3Thistestmethodhasnotbeentestedwithcrudeoilsamplesthataresolidorwaxy,orboth,atambienttempera-tures.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Alternateunits,incommonusage,arealsoprovidedtoincreaseclarityandaidtheusersofthistestmethod.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D4006TestMethodforWaterinCrudeOilbyDistillationD4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4307PracticeforPreparationofLiquidBlendsforUseasAnalyticalStandardsD4928TestMethodforWaterinCrudeOilsbyCoulometricKarlFischerTitrationD6596PracticeforAmpulizationandStorageofGasolineandRelatedHydrocarbonMaterials3.Terminology3.1Definitions:3.1.1analyticalcolumn,n—porouslayeropentubular(PLOT)columnwithastationaryphaseselectiveforoxygen-ates.Itisusedtoresolvemethanolfrom1-propanoltoprovideaccuratequantitativeresults.3.1.2cool-on-columninjector,n—aninjectionportthatallowscontrolledinjectionofthesampleatatemperatureclosetoorlowerthantheboilingpointofthesolventintothegaschromatographiccolumnoralinerwithintheinjectionportconnec...
