ISO／FDIS 11357-4：2020.docx

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1、FINA1DRAFTINTERNATIONA1ISO/FDISSTANDARD11357-4ISOTC61/SC5Secretariat:DINVotingbeginson:202311-02Votingterminateson:2023-12-28P1asticsDifferentia1scanningca1orimetry(DSC)Part4:DeterminationofspecificheatcapacityP1astiquesAna1ysecatorimtriquedifferentie11e(DSC)Partie4:DeterminationdeIacapacitythermiqu

2、emassiqueISO/CENPARA11E1PROCESSINGReferencenumberISO/FDIS11357-4:2023(E)ISO2023RECIPIENTSOFTHISDRAFTAREINVITEDTOSUBMIT.WITHTHEIRCOMMENTS.NOTIFICATIONOFANYRE1EVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATIONINADDITIONTOTHEIREVA1UATIONASbeingAcceftab1eforindustria1techno1ogica1.C

3、OMMERCIA1ANDUSERPURPOSES.DRAFTINTERNATIONA1STANDARDSMAYONOCCASIONHAVETOBECONSIDEREDINTHE1IGHTOFTHEIRPOTENTIA1TOBECOMESTAN.DARDSTOWHICHREFERENCEMAYBEMADEINNATIONA1REGU1ATIONSCOPYRIGHTPROTECTEDDOCUMENTISO2023A11rightsreserved.Un1essotherwisespecified,orrequiredinthecontextofitsimp1ementation,nopartoft

4、hispub1icationmaybereproducedoruti1izedotherwiseinanyformorbyanymeans,e1ectronicormechanica1,inc1udingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1oworISOsmemberbodyinthecountryoftherequesterISOcopyrightofficeCP401C

5、h.deB1andonnet8CH1214Vernier;GenevaPhone:*41227490111Emai1:copyrightiso.orgWebsite:www.iso.orgPub1ishedinSwitzer1andPageContents1Scope13 Termsanddefinitions14 Princip1e241Genera124.2Contiiuions-SCJiHnngmethod35 Apparatus47 Testconditionsandspecimenconditioning5ProCediIre1.2 Settinguptheapparatusanda

6、djustmentofisotherma1base1ines1.3 Measurementofspecificheatcapacityofca1ibrationmateria11.4 Specimenrun9 Determinationofspecificheatcapacities89.2Numerica1roundingoftheresu1ts810 Precisionandbias811 Testreport9AnnexA(informative)Approximateexpressionofthespecicheatcapacityofpurea加ma3Bib1iography12Fo

7、rewordISO(theInternationa1OrganizationforStandardization)isawor1dwidefederationofnationa1standardsbodies(ISOmemberbodies).TheworkofpreparingInternationa1Standardsisnorma11ycarriedoutthroughISOtechnica1committees.Eachmemberbodyinterestedinasubjectforwhichatechnica1committeehasbeenestab1ishedhastherig

8、httoberepresentedonthatcommittee,internationa1organizations,governmenta1andnon-governmenta1,in1iaisonwithISO,a1sotakepartinthework.ISOco11aboratesc1ose1ywiththeInternationa1E1ectrotechnica1Commission(IEC)ona11mattersofe1ectrotechnica1standardization.Theproceduresusedtodeve1opthisdocumentandthoseinte

9、ndedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticu1ar,thedifferentapprova1criterianeededforthedifferenttypesofISOdocumentsshou1dbenoted.Thisdocumentwasdraftedinaccordancewiththeeditoria1ru1esoftheISO/IECDirectives,Part2(seeWWW,isoQigdiecUves).Attentionisdrawntothepossibi1

10、itythatsomeofthee1ementsofthisdocumentmaybethesubjectofpatentrights.ISOsha11notbehe1dresponsib1eforidentifyinganyora11suchpatentrights.Detai1sofanypatentrightsidentifiedduringthedeve1opmentofthedocumentwi11beintheIntroductionand/orontheISO1istofpatentdec1arationsreceived(seeWWW.iso.org/patents).Anyt

11、radenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexp1anationofthevo1untarynatureofstandards,themeaningofISOspecifictermsandexpressionsre1atedtoconformityassessment,aswe11asinformationaboutISO,sadherencetotheWor1dTradeOrganization(WTO)princip1

12、esintheTechnica1BarrierstoTrade(TBT),seewww.iso.org/iso/foreword.htm1.ThisdocumentwaspreparedbyTechnica1CommitteeISO/TC61,P1astics,SubcommitteeSC5,Physica1-chemica1properties,inco11aborationwiththeEuropeanCommitteeforStandardization(CEN)Technica1CommitteeCEN/TC249,P1astics,inaccordancewiththeAgreeme

13、ntontechnica1cooperationbetweenISOandCEN(ViennaAgreement).Thisthirdeditioncance1sandrep1acesthesecondedition(ISO11357-4:2014),whichhasbeentechnica11yrevised.Themainchangescomparedtothepreviouseditionareasfo11ows: themeasurementprocedurehasbeenupdated; referencedataof*a1uminahavebeenupdated.A1istofa1

14、1partsintheISO11357seriescanbefoundontheISOwebsite.Anyfeedbackorquestionsonthisdocumentshou1dbedirectedtotheuser,snationa1standardsbody.Acomp1ete1istingofthesebodiescanbefoundatwww.iso.org/members.htm1.P1asticsDifferentia1scanningca1orimetry(DSC)Part4:Determinationofspecificheatcapacity1 ScopeThisdo

15、cumentspecifiesmethodsfordeterminingthespecificheatcapacityofp1asticsbydifferentia1scanningca1orimetry.2 NormativereferencesThefo11owingdocumentsarereferredtointhetextinsuchawaythatsomeora11oftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,on1ytheeditioncitedapp1ies.Forundatedreferences,the1atesteditionofthereferenceddocument(inc1udinganyamendments)app1ies.ISO472,P1asticsVocabu1aryISO11357-1,P1asticsDifferentia1scanningca1orimetry(DSC)Part1:Genera1princip1esISO80000-1,QuantitiesandunitsPart1:Genera13 TermsanddefinitionsForthepurposesofthisdocument,thetermsanddefinitionsg