Designation:D1612–05StandardTestMethodforAcetoneinMethanol1ThisstandardisissuedunderthefixeddesignationD1612;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversaprocedurefordetectingthepresenceofacetoneinmethanolinamountsgreaterthan0.003weight%.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Forpurposesofdeterminingconformanceofanob-servedoracalculatedvalueusingthistestmethodtorelevantspecifications,testresult(s)shallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.5Forhazardinformationandguidance,seethesupplier’sMaterialSafetyDataSheet.2.ReferencedDocuments2.1ASTMStandards:D1193SpecificationforReagentWater2E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications3.SummaryofTestMethod3.1ThespecimenisreactedwithNessler’sreagentandtheturbiditythatisproducediscomparedtoastandardcontainingtheequivalentof0.003weight%ofacetone.4.SignificanceandUse4.1Thistestmethodcanbeusedtodetectresidualamountsofcarbonylcompoundsinsyntheticandnaturalmethanol.Thecarbonylcompoundsarequantifiedbycomparisontoaknownstandardofacetonesolution.4.2Carbonylcompoundsmaybepresentasaresultofcontaminationduringstorage,distribution,ormanufacture.Thistestmethodmaybeusedinassessingcompliancewithaspecification.5.Apparatus5.1VolumetricPipets,1,4,and5-mLcapacity.5.2TestTubes,matchedforcolor,1.5by15cm.6.Reagents6.1Reagentgradechemicalsshallbeusedinall...
