Designation:D1568−05(Reapproved2014)StandardTestMethodsforSamplingandChemicalAnalysisofAlkylbenzeneSulfonates1ThisstandardisissuedunderthefixeddesignationD1568;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthesamplingandchemicalanalysisofpaste,powder,orliquiddetergentalkylbenzenesulfonates.1.2Theproceduresforsamplingandanalysisappearinthefollowingorder:SectionsSampling:PowdersandFlakesPackedinCansorCartons3PowdersandFlakesinBulk4Liquids6Pastes7Hazards8PreparationofSample9Moisture:DistillationMethod11–14KarlFischerMethod15–20TotalMatterInsolubleinAlcohol21–23NeutralOil24–27ChloridesCalculatedasSodiumChloride(NaCl)28–31pH321.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Foraspecifichazardsstatement,seeSection8.2.ReferencedDocuments2.1ASTMStandards:2D1172GuideforpHofAqueousSolutionsofSoapsandDetergentsD1193SpecificationforReagentWaterSAMPLING3.GeneralRequirements3.1Thesellershallhavetheoptionofbeingrepresentedatthetimeofsamplingandwhenhesorequestsshallbefurnishedwithaduplicatesample.4.PowdersandFlakesPackedinCansorCartons4.1Onecanorcartonshallbetakenatrandomfromnotlessthan1%oftheseller’sshippingcontainers,providedeachpackagecontainsnotlessthan50lb(22.7kg).Inthecaseofsmallercontainers,acanorcartonshallbetakenatrandomfromeachlotofcontainerstotalingnotmorethan5000lb(2268kg)orfractionthereof.Thegrosssampleshallinallcasesconsistofnotlessthanthreecansorcartonstakenatrandomfromseparatecontainers.Inthecaseofverylargelotswherethesampledrawnasabovewillamounttomorethan20lb(9.1kg),thepercentageofpackagessampledshallbereducedsothattheamountdraw...
