Designation:E1131−08(Reapproved2014)StandardTestMethodforCompositionalAnalysisbyThermogravimetry1ThisstandardisissuedunderthefixeddesignationE1131;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodprovidesageneraltechniqueincorpo-ratingthermogravimetrytodeterminetheamountofhighlyvolatilematter,mediumvolatilematter,combustiblematerial,andashcontentofcompounds.Thistestmethodwillbeusefulinperformingacompositionalanalysisincaseswhereagreeduponbyinterestedparties.1.2Thistestmethodisapplicabletosolidsandliquids.1.3Thetemperaturerangeoftestistypicallyroomtempera-tureto1000°C.Compositionbetween1and100weight%ofindividualcomponentsmaybedetermined.1.4Thistestmethodutilizesaninertandreactivegasenvironment.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6ThisstandardisrelatedISO11358butismoredetailedandspecific.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D3172PracticeforProximateAnalysisofCoalandCokeE473TerminologyRelatingtoThermalAnalysisandRhe-ologyE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodE1142TerminologyRelatingtoThermophysicalPropertiesE1582PracticeforCalibrationofTemperatureScaleforThermogravimetryE2040TestMethodforMassScaleCalibrationofThermo-gravimetricAnalyzers2.2ISOStandards:3ISO11358Plastics-Thermogravimetry(TG)ofPolymers—GeneralPrinciples3.Terminology3.1Definitions:3.1.1ManyofthetechnicaltermsusedinthistestmethodaredefinedinTerminologiesE473andE1142.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1highlyv...
