Designation:D3366–95(Reapproved2003)e1StandardTestMethodforColorofMaleicAnhydrideandPhthalicAnhydrideintheMoltenStateandAfterHeating(Platinum-CobaltScale)1ThisstandardisissuedunderthefixeddesignationD3366;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.e1NOTE—EditorialchangesweremadethroughoutinFebruary2003.1.Scope1.1Thistestmethodcoversthedeterminationofthevisualmeasurementofthecolorofmaleicandphthalicanhydridemeltbeforeandafterprolongedheatingunderspecifiedcon-ditionsoftimeandtemperature.Colorvaluesareexpressedintermsofplatinum-cobaltstandards.Thistestmethodcoverstherange0to100colorstandardnumbers.1.2Thefollowingappliestoallspecifiedlimitsinthisstandard:forpurposesofdeterminingconformancewiththisstandard,anobservedvalueoracalculatedvalueshallberoundedof“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.ForspecifichazardstatementsseeSection7.2.ReferencedDocuments2.1ASTMStandards:D1193SpecificationforReagentWater2D1209TestMethodforColorofClearLiquids(Platinum-CobaltScale)3D3438PracticeforSamplingandHandlingNaphthalene,MaleicAnhydride,andPhthalicAnhydride3E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformanceWithSpecifications42.2OtherDocument:OSHARegulations,29CFR,paragraphs1910.1000and1910.120053.SummaryofTestMethod3.1AfreshlymeltedspecimenisfilledtomarkintoaNesslertubeandcomparedwithPlatinum-Cobaltcolorstan-dards.3.2Afterheatingfor2hoursataprescribedtemperature,thespecimenisagaincomparedtothecolorstandards.4.Significanceand...
