ISO 04484-1-2023.docx
INTERNATIONA1.STANDARDISO4484-1editionFirst2023-02Texti1.esandtexti1.eproducts一Microp1.asticsfromtexti1.esources一Pefminationofmateria1.1.ossfromfabricsduringwashingTexti1.esetproduitstexti1.esMicrop1.astiquesd,originestexti1.es一Partie1:DerminationdespertesdematiiredesUoffespendantIe1.avageReferencenumberISO44841:2023(E)8Procedure8.1 DeterminationofdrymassoftestspecimensDrythetestspecimensinanoven(6.7)at(50±3)toreachaconstantmass,whichsha1.1.beconsideredwhenprogressivechangemassgreaterthan0,1mgoccursinsuccessiveWeighingsseparatcdbydryingNOTEExperiencehasshownthata4hdryingperiodcou1.dbesufficient.A1.1.owtocoo1.inadesiccator(6.19)beforeweighing.WttfertJ谢HanC1.辐Ord).thedrymassofeachspecimen(Smi),toanaccuracyof0,1mg,usingthe8.2 Fi1.terpreparationPre-rinsethefi1.ters(6.9)byp1.acingthem,usingtweezers(6.18),intothefi1.trationdvke(6.14)andthrnhigiwni®Wi1.hmitj型*afiidt0MrtMemov6att*>thoru嫉UUitHS.thewashbott1.e(6.15),rinsethefi1.terP1.aceeachfi1.ter(6.9)intoaseparate,1.abe1.1.edtray(6.10),itisessentia1.tokeepeachfi1.ter/traycob帕RXfiM%ZA烝4ntte1.bgy趴偎U临&dAr6ionf<hcffhnuf1.MbfeWW%reparedfi1.ter/traycombination8.3 Determinationofdrymassofthefi1.terDeterminandrecordthemassOfthef1.1.ter/traycombination(Fmi)tobeused,usingtheana1.ytica1.8a4nnceWiinga11pEC0SScyof0,1mg.Pre-heatacce1.erated1.aunderingdevice(6.11)tospecifiedtemperature(40±2),Preparethecontainer(6.12)byp1.acing360m1.water(5.1)and50stee1.ba1.1.s(6.13)insideandc1.osethecontainer.PrwJwMtihaitainers(fro/hiWheacceIuherirtevdtrtertiigdeviceprpwed6.U¢MW>ffcjre1.y)concwrit0minutesPutthecontainers(6.12)backintotheacce1.erated1.aunderingdevice(6.11)andagitateat(40±2)for(45±1)min,witharotationspeedof(40±2)min-.MQrEabi1.ityT<teavhiuuBxu1.btenfcfs<tiJ(edMitbtion.wasconsideredinre1.ationtothesizeofthetestspecimen8.5 Fi1.trationprocessUsethefo1.1.owingprocedureforeachcontainer(6.12)andspecimen.融mm；IiirfRSmOVI«|14班训用心：Wjm忸硒aBG皿IiqUQn1.淤出(j娜rAoverforbeaker(6.17),capturingthespecimenandstee1.ba1.1.s(6.13),Becarefu1.toavoidsp1.ashing.Ufier四左觇脚偏出4>d海强)eatWftiy8必占他淹iner(6.12),the1.idandsea1.,co1.1.ectinga1.1.rinseRinseg1.ovedhandsdiscardingthe1.iquorresu1.tedfromtherinsingbeforesqueezingthespecimen.Ifb1.ankisFonmk3):carriedoutaccordingto-A3,correctthetestspecimenmassbytheb1.ankmassusing(M-Mb)Rf=cSmI(3whereRfmg/kg；rat100fthemassofthefibrere1.eased,re1.atedtothetestspecimenmass,expressedinMfMbisthemassoffibrere1.easedexpressedinmg；isthemassoffibreco1.1.ectedfromtheb1.ankexpressedinmg；Smiisthemassinkgoftestspecimenbeforetesting.NOTEStatistica1.datacanbefoundinAnnexB.10TestreportThetestreportsha1.1.specifythefo1.1.owing：a) themethodused,byreferencetothisdocument,i.e.ISO4484-1:2023;b) Idcndf1.caHonofthesamp1.e;C)sizesofthread(6.6)andneed1.e(6.5)used；d) hemmingprocedureused(7.3);e) massofindividua1.specimen(三)beforetestingtothenearest0,1mgf) individua1.specimenresu1.tsofmass1.ossexpressedtothenearest0,1nig;g) arithmeticmeanofmass1.osstothenearest0,1mg；h) individua1.specimenresu1.tsofmass1.ossasarat100ftheorigina1.specimen,asexpressedinmg/kg;i) arithmeticmeanofmass1.ossasarat100ftheorigina1.specimen,asexpressedinmg/kg;j) anydeviationfromthegivenprocedure；k) anyunusua1.featuresobserved：l) dateoftestAnnexA(informative)Rationa1.e.1.UseofdetergentDetergenthasintentiona1.1.ybeen1.eftoutofthistestmethod.Manydetergentshavebeenfoundtophg:60n5,dtdri11gtassftftrobioaqxi(Ki«BS；idai®UsdkRjktotonfibincenpitifiitHJTiOfdnri1.1.kj1.MrhO1.etestingA.2Qua1.itycontro1.toreducecontaminationWhenusingthistestmethod,dueCareandattentionsha1.1.beobservedtoreducetheriskofcontaminationftijkMSontXHHnationfa1.sifyrtEftomduhngraf)mitai8wenfe,standpoint,andThetestmethodca1.1.sfortheuseof1.abg1.ovesand1.abcoatsduringthetestingprocedure,however,船1.3ftf嗥estSWgc杷grttf&P'ShMW?SI图用&2声网由8睬5部6沔1.us(inc1.udingbenchesandovens),aswe1.1.Thefo1.1.owingareadditiona1.measurestominimizetheeffectofenvironmenta1.contamination.a) A1.1.g1.asswaresha1.1.beprevious1.ywashedwithwater(5.1)thenrinsedbeforeeachuse.b) A11washbott1.essha1.1.beprevious1.ywashedwithwater(5.1)thenrinsedbeforeeachuse.c) AftwbIewI滕Eb整i殆Wwftfm*gSrtfett1.esin的f期限W也kedd即'<HBSfrefrag11cnispresentintheair.d) Thesameapp1.iestospecimencontainersforwhichg1.assandmeta1.sshou1.dbepreferred,e)Wipedowna1.1.surfacesbeforestartingeachtestf)南战副r11饰瓷除m.pmbesandhandsbeforeofeachproceduresuchasfi1.tration,openingapetrig)Minimizetrafficinyour1.aborworkingspace.A.3Interna1.qua1.ityassessmentAnoptiona1.methodtoconsiderthe"environmenta1.ConUoiinationwcanbecarriedoutinpara1.1.e1.thteahyui甲risi鹏;Pnn(Iidiafdi创/ee0)E1.inusedinthenbedefinedasMcnvironmenta1.contamination'*andsha1.1.bdeductedfromtheva1.uesobtainedforthecorrespondingspecimens.Thedeterminationoftheb1.anktestcanbecarriedoutforeachbatchofspecimens.B1.anktestssha1.1.becarriedoutinm
