Designation:D4008−16StandardGuideforMeasuringAnti-SoilDepositionPropertiesofLaundryDetergents1ThisstandardisissuedunderthefixeddesignationD4008;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideprovidesdirectionformeasuringtheabilityofdetergentstopreventthedepositionofsoilsfromdetergentsolutionsontofabrics.Itisintendedasalaboratoryscreeningtesttoaidintheformulationofdetergentproducts,forqualitycontrol,andasabasisbetweenthepurchaserandsellerinstandardizingspecificproducts’performance.1.2Theanti-soildepositionperformanceofdetergentprod-uctswillvarygreatlydependingonthetypeofsoilsandfabricsusedinthetest.Therefore,selectionofthesoils,fabrics,referencedetergents,andtestconditionsshallbemadebyagreementbetweentheinterestedpartiesonthebasisofexperience.1.3Thereisnosingleorcombinationofoilysoilsorparticulatesoils,orboth,thatwillpreciselypredictoveralltheperformanceofaproductortreatmentwithrespecttoanti-redepositionasperceivedbyaconsumer.Thisguideisin-tendedtoassessorcomparedetergentperformancewithrespecttotheanti-redepositionperformanceforthespecificsoilchosen.1.4Thevaluesstatedineitherinch-poundorSIunitsaretoberegardedseparatelyasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Materialsafetydatasheetsareavailableforreagentsandmaterials.Reviewthemforhazardspriortousage.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterE97MethodofTestforDirectionalReflectanceFactor,45-Deg0-Deg,ofOpaqueSpecimensbyBroad-BandFilterReflectometry(Withdrawn1991)3E313PracticeforCalculatingYellownessan...
