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1、免费标准下载网(www.freebz.net)AATCCTestMethod20A-2007FiberAnalysis:QuantitativeDevelopedin1957byAATCCCommitteeyarns,orplies,inthetextileproduct.turersMUSTbeconsultedforspecificRA24;revised1958,1959,1975,1995,2.3Thechemicalproceduresforfiberdetailssuchasmaterialsafety
2、datasheets2000,2004,2005,2007;reaffirmedcompositiondescribedhereinareapplica-andothermanufacturer’srecommenda-1971,1978,1981,1989;editoriallyre-bletomostofthecurrent,commercialtions.AllOSHAstandardsandrulesvised1980,1982(newtitle),1985,2002.productionfiberswit
3、hineachgenericmustalsobeconsultedandfollowed.RelatedtoISO17751andIWTO58.classlisted.Knownexceptionsarenoted4.1GoodlaboratorypracticesshouldinTableII.However,theremaybein-befollowed.Wearsafetyglassesinallstancesinwhichamethodmaynotbelaboratoryareas.1.Purposeand
4、Scopefullyadequateforanewlydevelopedfi-4.2Allchemicalsshouldbehandled1.1Thismethodpresentsindividualberfallingwithinoneofthelistedgenericwithcare.proceduresforthequantitativedetermi-classesandforre-usedand/orphysically4.3Performthesoxhletextractionsinnationofm
5、oisturecontent,nonfibrousorchemicallymodifiedfibers.CautionSection9,NonfibrousMaterial—Cleancontentandfibercompositionoftextiles.shouldbeexercisedwhenapplyingtheseFiberContent,usingFluorocarbon1131.2Theproceduresforthedetermina-methodstosuchcases.(suchasFreonT
6、F)orhydrochlorofluoro-tionoffibercompositionincludeme-2.4Themicroscopicalproceduresforfi-carbon(suchasGenesolv2000)andethylchanical,chemicalandmicroscopicalbercompositionareapplicabletoallfibersalcoholinsideanadequatelyventilatedmethods.Theyareapplicabletoblen
7、dsofandtheiraccuracydependstoaconsider-laboratoryhood.CAUTION:Ethylalco-thefollowinggenericclasses:ableextentupontheabilityoftheanalystholishighlyflammable.toidentifytheindividualfiberspresent.4.4PerformChemicalAnalysisProce-NaturalFibersMan-MadeFibersHowever,
8、owingtothetediousnatureofdureNo.1(TableII,100%acetone)in-CottonAcetatethistechnique,itsuseisgenerallylimitedsideaventilatedlaboratoryhood.CAU-HairAcrylictothosemixtureswhichcannotb
