Designation:E2881−13´1StandardTestMethodforExtractionandDerivatizationofVegetableOilsandFatsfromFireDebrisandLiquidSampleswithAnalysisbyGasChromatography-MassSpectrometry1ThisstandardisissuedunderthefixeddesignationE2881;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditorialcorrectionsweremadethroughoutinJanuary2015.1.Scope1.1Thistestmethodcoverstheextraction,derivatization,andidentificationoffattyacidsindicativeofvegetableoilsandfatsinfiredebrisandliquidsamples.Thisprocedurewillalsoextractanimaloilsandfats,asthesearesimilarinchemicalcompositiontovegetableoilsandfats.Herein,thephrase“oilsandfats”willbeusedtorefertobothanimalandvegetablederivedoilsandfats.1.2Thistestmethodissuitableforsuccessfullyextractingoilandfatresidueshaving8to24carbonatoms.1.3Theidentificationofaspecifictypeofoil(forexample,olive,corn,linseed)requiresaquantitativeanalysisofthefattyacidestersandisbeyondthescopeofthistestmethod.1.4Thistestmethodcannotreplacetherequisiteknowledge,skills,orabilitiesacquiredthroughappropriateeducation,training,andexperienceandshouldbeusedinconjunctionwithsoundprofessionaljudgment.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E620PracticeforReportingOpinionsofScientificorTech-nicalExpertsE1386PracticeforSeparationofIgnitableLiquidResiduesfromFireDebrisSamplesbySolventExtractionE1388PracticeforSamplingofHeadspaceVaporsfromFireDebrisSamplesE1412PracticeforSeparationofIgnitableLiquidResiduesfromFireDebrisSamplesby...
