ISO3160220031

ReferencenumberISO3160-2:2003(E)©ISO2003INTERNATIONALSTANDARDISO3160-2Thirdedition2003-02-15Watch-casesandaccessories—Goldalloycoverings—Part2:Determinationoffineness,thickness,corrosionresistanceandadhesionBoîtesdemontresetleursaccessoires—Revêtementsd'alliaged'or—Partie2:Déterminationdutitre,del'épaisseur,delarésistanceàlacorrosionetdel'adhérenceCopyrightInternationalOrganizationforStandardizationProvidedbyIHSunderlicensewithISONotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,`,-`-`,,`,,`,`,,`---ISO3160-2:2003(E)PDFdisclaimerThisPDFfilemaycontainembeddedtypefaces.InaccordancewithAdobe'slicensingpolicy,thisfilemaybeprintedorviewedbutshallnotbeeditedunlessthetypefaceswhichareembeddedarelicensedtoandinstalledonthecomputerperformingtheediting.Indownloadingthisfile,partiesacceptthereintheresponsibilityofnotinfringingAdobe'slicensingpolicy.TheISOCentralSecretariatacceptsnoliabilityinthisarea.AdobeisatrademarkofAdobeSystemsIncorporated.DetailsofthesoftwareproductsusedtocreatethisPDFfilecanbefoundintheGeneralInforelativetothefile;thePDF-creationparameterswereoptimizedforprinting.EverycarehasbeentakentoensurethatthefileissuitableforusebyISOmemberbodies.Intheunlikelyeventthataproblemrelatingtoitisfound,pleaseinformtheCentralSecretariatattheaddressgivenbelow.©ISO2003Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherISOattheaddressbeloworISO'smemberbodyinthecountryoftherequester.ISOcopyrightofficeCasepostale56•[e-mail]©ISO2003—AllrightsreservedCopyrightInternationalOrganizationforStandardizationProvidedbyIHSunderlicensewithISONotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,`,-`-`,,`,,`,`,,`---ISO3160-2:2003(E)©ISO2003—AllrightsreservediiiContentsPageForeword............................................................................................................................................................iv1Scope......................................................................................................................................................12Normativereferences...........................................................................................................................13Termsanddefinitions...........................................................................................................................24General...................................................................................................................................................25Determinationoffineness....................................................................................................................26Determinationofcontents....................................................................................................................27Determinationofthickness..................................................................................................................38Determinationofthecorrosionresistance.........................................................................................49Adhesiontest........................................................................................................................................7AnnexA(normative)Methodofobtainingasampleofgoldalloycovering................................................8AnnexB(normative)Descriptionofthemaintestsfordeterminationofthethicknessofgoldalloycoverings....................................................................................................................................10Bibliography.....................................................................................................................................................12CopyrightInternationalOrganizationforStandardizationProvidedbyIHSunderlicensewithISONotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,`,-`-`,,`,,`,`,,`---ISO3160-2:2003(E)iv©ISO2003—AllrightsreservedForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part2.ThemaintaskoftechnicalcommitteesistoprepareInternationalStandards.DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.PublicationasanInternationalStandar