Designation:D2364−15StandardTestMethodsforHydroxyethylcellulose1ThisstandardisissuedunderthefixeddesignationD2364;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thesetestmethodscoverthetestingofhydroxyethyl-cellulose.1.2Thetestproceduresappearinthefollowingorder:SectionsMoisture4–9Ash10–17Viscosity18–23Density24–301.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD4794TestMethodforDeterminationofEthoxylorHy-droxyethoxylSubstitutioninCelluloseEtherProductsbyGasChromatography3.PurityofReagents3.1Reagentgradechemicalsshallbeusedinalltests.Unlessotherwiseindicated,itisintendedthatallreagentsshallconformtothespecificationsoftheCommitteeonAnalyticalReagentsoftheAmericanChemicalSociety,3wheresuchspecificationsareavailable.Othergradesmaybeused,pro-videditisfirstascertainedthatthereagentisofsufficientlyhighpuritytopermititsusewithoutlesseningtheaccuracyofthedetermination.3.2Unlessotherwiseindicated,referencetowatershallbeunderstoodtomeanreagentwater,conformingtoSpecificationD1193.MOISTURE4.Scope4.1Thistestmethodcoversthedeterminationofthevolatilecontentofhydroxyethylcellulose.5.SignificanceandUse5.1Theresultsofthistestareusedforcalculatingthetotalsolidsinthesample;and,bycommonusage,allmaterialsvolatileatthistesttemperaturearedesignatedasmoisture.5.2Moistureanalysis(alongwithsulfatedash)isameasureoftheamountofactivepolymerinthematerialandmustbeconsideredwhendeterminingtheamountofhydroxyeth...