Designation:D1283−05(Reapproved2013)StandardTestMethodforAlkali-SolubilityofWools1ThisstandardisissuedunderthefixeddesignationD1283;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversachemicalprocedurefordeterminationoftheamountofwoolsubstancesolubleinalkaliunderstandardconditionsandisapplicabletowoolinscouredfiberform,orasfiberobtainedfromyarnorfromwovenornonwovenfabric.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.NOTE1—Thistestmethodisapplicabletootheranimalfibersalthoughthelevelofalkali-solubilitymaybedifferentfromwool.Withindividualanimalfibers,undamagedsolubilityshouldbedeterminedbeforeattempt-ingtoassessdamageonanunknownsample.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD1060PracticeforCoreSamplingofRawWoolinPackagesforDeterminationofPercentageofCleanWoolFiberPresentD1193SpecificationforReagentWaterD4845TerminologyRelatingtoWoolE1SpecificationforASTMLiquid-in-GlassThermometersE11SpecificationforWovenWireTestSieveClothandTestSieves3.Terminology3.1ForallterminologyrelatingtoD13.13,WoolandWoolFelt,refertoTerminologyD4845.3.1.1Thefollowingtermsarerelevanttothisstandard:alkali-solubility,wool.3.2Forallotherterminologyrelatedtotextiles,seeTermi-nologyD123.4.SummaryofTestMethod4.1Specimensaremaintainedatastipulatedconstanttem-peratureinacausticsolutionforaspecifiedperiodoftime.Thepercentageofalkali-solubilityiscalculatedfromthelo...
