Designation:D2192−06(Reapproved2012)StandardTestMethodforPurityofAldehydesandKetones1ThisstandardisissuedunderthefixeddesignationD2192;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofthepurityofcertaincommerciallyavailablealdehydesandketones.1.2Inadditiontoallaldehydesandketones,allcompoundssuchasvinylalkylethers,acetals,andketals,thathydrolyzeundertheconditionsofthereactiontoformfreecarbonylgroups,reactwiththereagentandconsequentlyinterfere.Water,alcohols,saturatedesters,andhydrocarbonsdonotreactwiththereagent,butlargeamountsofinertorganicsolventsareundesirablebecauseoftheeffectontheindicator.1.3Forpurposesofdeterminingconformanceofanob-servedoracalculatedvalueusingthistestmethodtorelevantspecifications,testresult(s)shallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.1.6Forhazardinformationandguidance,seethesupplier’sMaterialSafetyDataSheet.2.ReferencedDocuments2.1ASTMStandards:2D268GuideforSamplingandTestingVolatileSolventsandChemicalIntermediatesforUseinPaintandRelatedCoatingsandMaterialD1193SpecificationforReagentWaterE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE200PracticeforPreparation,Standardization,andStorageofStandardandReagentSolutionsforChemicalAnalysisE222TestMethodsforHydroxylGr...