EN ISO 3960:2004

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Tierische und pflanzliche Fette und Öle - Bestimmung der Peroxidzahl (ISO 3960:2001)Corps gras d'origines animale et végétale - Détermination de l'indice de peroxyde (ISO 3960:2001)Animal and vegetable fats and oils - Determination of peroxide value (ISO 3960:2001)67.200.10Animal and vegetable fats and oilsICS:Ta slovenski standard je istoveten z:EN ISO 3960:2004SIST EN ISO 3960:2005en01-junij-2005SIST EN ISO 3960:2005SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN ISO 3960December 2004ICS 67.200.10English versionAnimal and vegetable fats and oils - Determination of peroxidevalue (ISO 3960:2001)Corps gras d'origines animale et végétale - Déterminationde l'indice de peroxyde (ISO 3960:2001)Tierische und pflanzliche Fette und Öle - Bestimmung derPeroxidzahl (ISO 3960:2001)This European Standard was approved by CEN on 21 December 2004.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2004 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 3960:2004: ESIST EN ISO 3960:2005

Foreword
The text of ISO 3960:2001 has been prepared by Technical Committee ISO/TC 34 "Agricultural food products” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 3960:2004 by Technical Committee CEN/TC 307 "Oilseeds, vegetable and animal fats and oils and their by-products - Methods of sampling and analysis", the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2005, and conflicting national standards shall be withdrawn at the latest by June 2005.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Endorsement notice
The text of ISO 3960:2001 has been approved by CEN as EN ISO 3960:2004 without any modifications.
INTERNATIONALSTANDARDISO3960Thirdedition2001-12-01ReferencenumberISO3960:2001(E)©ISO2001Animalandvegetablefatsandoils—DeterminationofperoxidevalueCorpsgrasd'originesanimaleetvégétale—Déterminationdel'indicedeperoxydeSIST EN ISO 3960:2005

ISO3960:2001(E)ii©ISO2001–AllrightsreservedPDFdisclaimerThisPDFfilemaycontainembeddedtypefaces.InaccordancewithAdobe'slicensingpolicy,thisfilemaybeprintedorviewedbutshallnotbeeditedunlessthetypefaceswhichareembeddedarelicensedtoandinstalledonthecomputerperformingtheediting.Indownloadingthisfile,partiesacceptthereintheresponsibilityofnotinfringingAdobe'slicensingpolicy.TheISOCentralSecretariatacceptsnoliabilityinthisarea.AdobeisatrademarkofAdobeSystemsIncorporated.DetailsofthesoftwareproductsusedtocreatethisPDFfilecanbefoundintheGeneralInforelativetothefile;thePDF-creationparameterswereoptimizedforprinting.EverycarehasbeentakentoensurethatthefileissuitableforusebyISOmemberbodies.Intheunlikelyeventthataproblemrelatingtoitisfound,pleaseinformtheCentralSecretariatattheaddressgivenbelow.©ISO2001Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,elec-tronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherISOattheaddressbeloworISO'smem-berbodyinthecountryoftherequester.ISOcopyrightofficeCasepostale56•CH-1211Geneva20Tel.+41227490111Fax+41227490947E-mailcopyright@iso.chWebwww.iso.chPrintedinSwitzerlandSIST EN ISO 3960:2005

ISO3960:2001(E)©ISO2001–AllrightsreservediiiForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3.DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote.AttentionisdrawntothepossibilitythatsomeoftheelementsofthisInternationalStandardmaybethesubjectofpatentrights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.InternationalStandardISO3960waspreparedbyTechnicalCommitteeISO/TC34,Foodproducts,SubcommitteeSC11,Animalandvegetablefatsandoils.Thisthirdeditioncancelsandreplacesthesecondedition(ISO3960:1998),whichhasbeentechnicallyrevised.AnnexAofthisInternationalStandardisforinformationonly.SIST EN ISO 3960:2005

INTERNATIONALSTANDARDISO3960:2001(E)©ISO2001–Allrightsreserved1Animalandvegetablefatsandoils—Determinationofperoxidevalue1ScopeThisInternationalStandardspecifiesamethodforthedeterminationoftheperoxidevalueofanimalandvegetablefatsandoils.2NormativereferencesThefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublicationsdonotapply.However,partiestoagreementsbasedonthisInternationalStandardareencouragedtoinvestigatethepossibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.Forundatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintainregistersofcurrentlyvalidInternationalStandards.ISO661,Animalandvegetablefatsandoils—PreparationoftestsampleISO3696:1987,Waterforanalyticallaboratoryuse—Specificationandtestmethods3TermanddefinitionForthepurposesofthisInternationalStandard,thefollowingtermanddefinitionapplies.3.1peroxidevaluequantityofthosesubstancesinthesample,expressedintermsofactiveoxygen,whichoxidizepotassiumiodideundertheconditionsspecifiedinthisInternationalStandard,dividedbythemassofthetestportionNOTE1Peroxidevalueisusuallyexpressedinindustryasmilliequivalentsperkilogram.NOTE2Peroxidevaluemayalsobeexpressed(inSIunits)asmillimolesperkilogram.Thevalueexpressedinmillimolesperkilogramishalfthatexpressedinmilliequivalentsperkilogram(seeclause10).4PrincipleAtestportion,insolutioninaceticacidandisooctane,istreatedwithasolutionofpotassiumiodide.Theliberatediodineistitratedwithastandardvolumetricsodiumthiosulfatesolution.5ReagentsUseonlyreagentsofrecognizedanalyticalgrade,unlessotherwisestated.Allreagentsandthewatershallbefreeofdissolvedoxygen.5.1Water,complyingwithgrade3ofISO3696.5.2Glacialaceticacid,freedfromoxygenbypurgingwithacurrentofpureanddryinertgas(carbondioxideornitrogen).SIST EN ISO 3960:2005

ISO3960:2001(E)2©ISO2001–AllrightsreservedWARNING—Glacialaceticacidismoderatelytoxicbyingestionandinhalation.Itisastrongirritanttoskinandtissue.5.3Isooctane,freedfromoxygenbypurgingwithacurrentofpureanddryinertgas(carbondioxideornitrogen).WARNING—Isooctaneisflammableandafirerisk.Explosivelimitsinairare(byvolume)to(byvolume).Itistoxicbyingestionandinhalation.Aproperlyoperatingfumehoodshouldbeusedwhenworkingwiththissolvent.5.4Aceticacid/isooctanesolution[60:40(byvolume)],preparedbymixing3volumesofglacialaceticacid(5.2)with2volumesofisooctane(5.3).5.5Potassiumiodidesolution,saturated,recentlyprep
...