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1、AATCCTestMethod20A-2005FiberAnalysis:QuantitativeDevelopedin1957byAATCCCommitteeyarns,orplies,inthetextileproduct.turersMUSTbeconsultedforspecificRA24;revised1958,1959,1975,1995,2.3Thechemicalproceduresforfiberdetailssuchasmaterialsafetydatasheets2000,2004,2005;reaffirmed1971,compositiondescrib
2、edhereinareapplica-andothermanufacturer’srecommenda-1978,1981,1989;editoriallyrevisedbletomostofthecurrent,commercialtions.AllOSHAstandardsandrules1980,1982(newtitle),1985,2002.Re-productionfiberswithineachgenericmustalsobeconsultedandfollowed.latedtoISO1833.classlisted.Knownexceptionsarenoted4
3、.1GoodlaboratorypracticesshouldinTableII.However,theremaybein-befollowed.Wearsafetyglassesinallstancesinwhichamethodmaynotbelaboratoryareas.1.PurposeandScopefullyadequateforanewlydevelopedfi-4.2Allchemicalsshouldbehandled1.1Thismethodpresentsindividualberfallingwithinoneofthelistedgenericwithca
4、re.proceduresforthequantitativedetermi-classesandforre-usedand/orphysically4.3Performthesoxhletextractionsinnationofmoisturecontent,nonfibrousorchemicallymodifiedfibers.CautionSection9,NonfibrousMaterial—Cleancontentandfibercompositionoftextiles.shouldbeexercisedwhenapplyingtheseFiberContent,us
5、ingFluorocarbon1131.2Theproceduresforthedetermina-methodstosuchcases.(suchasFreonTF)orhydrochlorofluoro-tionoffibercompositionincludeme-2.4Themicroscopicalproceduresforfi-carbon(suchasGenesolv2000)andethylchanical,chemicalandmicroscopicalbercompositionareapplicabletoallfibersalcoholinsideanadeq
6、uatelyventilatedmethods.Theyareapplicabletoblendsofandtheiraccuracydependstoaconsider-laboratoryhood.CAUTION:Ethylalco-thefollowinggenericclasses:ableextentupontheabilityoftheanalystholishighlyflammable.toidentifytheindividualfiberspresent.4.4PerformChemicalAnalysisProce-NaturalFibersMan-MadeFi
7、bersHowever,owingtothetediousnatureofdureNo.1(TableII,100%acetone)in-CottonAcetatethistechnique,itsuseisgenerallylimitedsideaventilatedlaboratoryhood.CAU-HairAcrylictothosemixtureswhichcannotbesepa-TION:Acetoneishighlyflammable.He
