Designation:D1173−07(Reapproved2015)StandardTestMethodforFoamingPropertiesofSurface-ActiveAgents1ThisstandardisissuedunderthefixeddesignationD1173;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofthefoam-ingpropertiesofsurface-activeagentsasdefinedinTerminol-ogyD459.Thistestmethodisapplicableunderlimitedandcontrolledconditions,butdoesnotnecessarilyyieldinforma-tioncorrelatingwithspecificenduses.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D459TerminologyRelatingtoSoapsandOtherDetergents3.Apparatus3.1Pipet—Thepipet(Fig.1)shallbeconstructedfromstandard-wall,chemicallyresistantglasstubinghavingthefollowingdimensions:forthebulb,4561.5mmoutsidediameter;forthelowerstem,760.5mmoutsidediameter.Theupperstemshallbeconstructedtocontainasolid-stopper,straightbore,No.2,standard-taperstopcockhavinga2-mmboreandstems8mminoutsidediameter.Boththeupperandlowersealsofthebulbtothestemsshallbehemisphericalinshape.Thelowerstemshallbe6062mminlengthfromthepointofattachmenttothebulbandshallcontainanorificesealedintothelowerend.Theorificeshallbeconstructedfromprecisionboretubinghavinganinsidediameterof2.960.02mmandalengthof1060.05mm,withbothendsgroundsquare.Theorificeshallhaveanoutsidediametersoastofitsnuglyintothelowerstemandformasecuresealtothestemwhenheatedwithasharppointedflameintheblowtorch.Thepipetshallbecalibratedtocontain20060.2mLat20°C.Thecalibrationmarkshallbeontheupperstematleast15mmbelowthebarrelofthestopcockandshallcompletelyencirclethestem.3.2Receiver—Thereceiver(Fig.2)shallbeconstructedfr...
