Designation:D502−89(Reapproved2009)StandardTestMethodforParticleSizeofSoapsandOtherDetergents1ThisstandardisissuedunderthefixeddesignationD502;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheparticlesizeofsoapsandotherdetergentsbyhandsievingandmachinesievingmethods.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.MaterialSafetyDataSheetsareavailableforreagentsandmaterials.Reviewthemforhazardspriortousage.2.ReferencedDocuments2.1ASTMStandards:2D460TestMethodsforSamplingandChemicalAnalysisofSoapsandSoapProductsD501TestMethodsofSamplingandChemicalAnalysisofAlkalineDetergentsE11SpecificationforWovenWireTestSieveClothandTestSieves3.SignificanceandUse3.1Thistestmethodassuresthattheparticlesizeofsoapsanddetergentsconformstospecificationshavingtodowithdensityandpackaging,amongothers.Italsooffersameansofcontrollingtheamountofpotentiallyhazardousverylowparticlesizematerial.4.Sieves4.1ThesievesshallconformtoSpecificationE11.5.Sampling5.1SamplesoapsinaccordancewithTestMethodsD460.5.2SampleotherdetergentsinaccordancewithTestMeth-odsD501.6.ProcedureUsingHand-SievingMethod6.1Useanestofclean,drysievesconsistingofaNo.12(1700-µm),No.40(425-µm),andaNo.100(150-µm)sieve.Othersizesievesmaybeusedwhenrequiredbytheindividualspecifications.Transfera10060.1gwell-mixedsamplewithoutpreviousdryingtothetopsieve.Simultaneouslyshakethesievesbyhandwithoccasionaltappingoftheedgeofthebottomsieveonalargerubberstopperoraflat,thickpieceofrubber.Whenth...