BS EN 1186-10-2002 Materials and articles in contact with foodstuffs - Plastics - Test methods for overall migration into olive oil (modified method for use in cases where incomple.pdf

1、BRITISH STANDARD BS EN 1186-10:2002 Materials and articles in contact with foodstuffs Plastics Part 10: Test methods for overall migration into olive oil (modified method for use in cases where incomplete extraction of olive oil occurs) The European Standard EN 1186-10:2002 has the status of a Briti

2、sh Standard ICS 67.250 BS EN 1186-10:2002 This British Standard, having been prepared under the direction of the Consumer Products and Services Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 14 October 2002 BSI 14 October 200

3、2 ISBN 0 580 40573 7 National foreword This British Standard is the official English language version of EN 1186-10:2002. It supersedes DD ENV 1186-10:1994 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee CW/47, Materials and articles in contact with f

4、oodstuffs, to Subcommittee CW/47/1, Migration from plastics, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred t

5、o in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions

6、of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or pr

7、oposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 13 and a back cover. The BSI copyright date disp

8、layed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN118610 September2002 ICS67.250 Englishversion MaterialsandarticlesincontactwithfoodstuffsPlasticsPart 10:Testmethodsforoveral

9、lmigrationintooliveoil(modified methodforuseincaseswhereincompleteextractionofoliveoil occurs) Matriauxetobjetsencontactaveclesdenres alimentairesMatireplastiquePartie10:Mthodes dessaipourlamigrationglobaledanslhuiledolive (mthodemodifieutiliserencasdextractionincomplte delhuiledolive) Werkstoffeund

10、GegenstndeinKontaktmitLebensmitteln KunststoffeTeil10:Prfverfahrenfrdie GesamtmigrationinOlivenl(ModifiziertesVerfahrenfr dieAndwendungbeiunvollstndigerExtraktionvon Olivenl) ThisEuropeanStandardwasapprovedbyCENon2May2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulate

11、theconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,Ger

12、man).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland

13、,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved world

14、wideforCENnationalMembers. Ref.No.EN118610:2002EEN118610:2002(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Principle5 4 Reagents.5 5 Apparatus .6 6 Preparationoftestspecimens. .6 7 Procedure .6 7.1 General6 7.2 Initialweighingoftestspecimens 6 7.3 Exposuretofoodsimulant. .6 7.4 F

15、inalweighingoftestspecimens .6 7.5 Extractionofabsorbedoliveoil .6 7.6 Determinationofextractedoliveoil .7 7.6.1 Preparationoffattyacidmethylesters . 7 7.6.2 Determinationoffattyacidmethylesters . 8 8 Expressionofresults . .8 8.1 Methodofcalculation . .8 8.2 Precision.8 9 Testreport . .8 AnnexA (nor

16、mative) Determinationofthesuitabilityofoliveoilasthefattyfoodsimulantandof triheptadecanoinastheinternalstandard 9 A.1 Principle9 A.2 Procedure .9 A.3 Conclusions9 AnnexB (informative) Precision . .10 AnnexZA (informative) RelationshipofthisEuropeanStandardwithCouncilDirective89/109/EECand Commissio

17、nDirective90/128/EECandassociatedDirectives .11 Bibliography 13EN118610:2002(E) 3 Foreword ThisdocumentEN118610:2002hasbeenpreparedbyTechnicalCommitteeCEN/TC194“Utensilsincontact withfood”,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicat

18、ionofanidenticaltextor byendorsement,atthelatestbyMarch2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby March2003. ThisdocumentsupersedesENV118610:1994. ThisEuropeanStandardhasbeenpreparedasoneofaseriesofmethodsoftestforplasticsmaterialsandarticles incontactwithfoodstuffs. ThisParto

19、fthisEuropeanStandardhasbeenpreparedbyaSubcommittee(SC1)ofTC194Utensilsincontact withfoodasoneofaseriesofmethodsoftestforplasticsmaterialsandarticlesincontactwithfoodstuffs. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation. Forrelationshipw

20、ithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AtthetimeofpreparationandpublicationofthisstandardtheEuropeanUnionlegislationrelatingtoplastics materialsandarticlesintendedtocomeintocontactwithfoodstuffsisincomplete.FurtherDirectivesand amendmentstoexistingDirectivesaree

21、xpectedwhichcouldchangethelegislativerequirementswhichthis standardsupports.Itisthereforestronglyrecommendedthatusersofthisstandardrefertothelatestrelevant publishedDirective(s)beforecommencementofanyofthetestortestsdescribedinthisstandard. EN118610shouldbereadinconjunctionwithEN11861,EN11862,EN1186

22、4,EN11866,EN11868,prEN 118612andEN118613. FurtherPartsofthisstandardhavebeenpreparedconcernedwiththedeterminationofoverallmigrationfrom plasticsmaterialsintofoodsimulants.Theirtitlesareasfollows: EN1186MaterialsandarticlesincontactwithfoodstuffsPlastics Part1 Guidetotheselectionofconditionsandtestme

23、thodsforoverallmigration Part2 Testmethodsforoverallmigrationintooliveoilbytotalimmersion Part3 Testmethodsforoverallmigrationintoaqueousfoodsimulantsbytotalimmersion Part4 Testmethodsforoverallmigrationintooliveoilbycell Part5 Testmethodsforoverallmigrationintoaqueousfoodsimulantsbycell Part6 Testm

24、ethodsforoverallmigrationintooliveoilusingapouch Part7 Testmethodsforoverallmigrationintoaqueousfoodsimulantsusingapouch Part8 Testmethodsforoverallmigrationintooliveoilbyarticlefilling Part9 Testmethodsforoverallmigrationintoaqueousfoodsimulantsbyarticlefilling Part11 Testmethodsforoverallmigration

25、intomixturesof 14 Clabelledsynthetictriglyceride Part12 Testmethodsforoverallmigrationatlowtemperatures Part13 Testmethodsforoverallmigrationathightemperatures Part14 TestmethodsforsubstitutetestsforoverallmigrationfromplasticsintendedtocomeintoEN118610:2002(E) 4 contactwithfattyfoodstuffsusingtestm

26、ediaisooctaneand95%ethanol Part15 Alternativetestmethodstomigrationintofattyfoodsimulantsbyrapidextractionintoiso octaneand/or95%ethanol AnnexAofthisstandardisnormativewhereapplicable.AnnexBisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing co

27、untriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom. 1Scope ThisEuropeanStandardspecifiestestmethodsforthedeterminationofthe

28、overallmigrationintofattyfood simulantsfromplasticsmaterialsandarticles,bytotalimmersionoftestspecimensinafattyfoodsimulantatany temperaturesabove5 Cuptoandincluding175 Cforselectedtimes. WhensomeplasticsaretestedbythemethodsinEN11862,EN11864,EN11866,EN11868,prEN118612 andEN118613,thesoxhletextracti

29、onprocessdoesnotachievecompleterecoveryoftheabsorbedoliveoilfrom thetestspecimens.Inthismethod,theoliveoilisreleasedfromtheplasticstestspecimensbydissolvingthemin chloroform,toluene,xyleneortetrahydrofuran. ThismethodissuitableforplasticswhenexposuretooliveoilisbytotalimmersionasdescribedinEN11862,i

30、na cell,asdescribedinEN11864,inapouch,asdescribedinEN11866,andbyfilling,asdescribedinEN11868 andtotestscarriedoutatlowandhightemperature,asdescribedinprEN118612andEN118613. Thisisprovidedtheplasticsaresolubleinchloroform,toluene,xyleneortetrahydrofuranandinsolubleinmethanol andthatwheneverprEN11862i

31、sreferredtointhismethodtheappropriateclauseoftherelevantpartofEN1186 issubstituted. Themethodcanalsobesuitableforplasticswhichareonlypartiallysolubleinchloroform,toluene,xyleneor tetrahydrofuranandinsolubleinmethanol. NOTE1 Thistestmethodhasbeenwrittenforusewiththefattyfoodsimulant,oliveoil.Thetestm

32、ethodcanalsobeused withappropriatemodificationswithotherfattyfoodsimulantscalledsimulantDasyntheticmixtureoftriglycerides,sunf lower oilandcornoil.Theseotherfattyfoodsimulantswillproducedifferentchromatogramsforthesimulantmethylesterstothos eof themethylestersofoliveoil.Selectsuitablechromatogrampea

33、ksofthemethylestersoftheotherfattyfoodsimulantsfor the quantitativedeterminationofthesimulantextractedfromthetestspecimens. NOTE2 Ifithasbeenestablishedthattheoverallmigrationintooliveoilfromtheplasticscannotbedeterminedbyuseof eitherthismethodorthemethodsdescribedinEN11862,EN11864,EN11866andEN11868

34、thentheuseofsubstitute testsshouldbeconsidered,seeclause6ofEN11861:2001. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedandundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedref

35、erences,subsequentamendmentstoandrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies,includingamendments(includingamendments). EN11861:2002, Materialsandarticlesincontactwith

36、foodstuffsPlasticsPart1:Guidetotheselectionof conditionsandtestmethodsforoverallmigration. EN11862:2002, MaterialsandarticlesincontactwithfoodstuffsPlasticsPart2:Testmethodsforoverall migrationintooliveoilbytotalimmersion.EN118610:2002(E) 5 3Principle Theoverallmigrationfromasampleoftheplastic,sucha

37、spolystyrene,isdeterminedasthelossinmassof specimensafterimmersioninoliveoil. Theselectionofthetestconditionswillbedeterminedbytheconditionsofuse,seeclauses4,5and6of EN11861:2002. Testspecimensofknownmassareexposedtooliveoilfortheexposuretime,attemperaturesvaryingfrom5 Cto 175 C,thentakenfromtheoliv

38、eoil,blottedtoremoveoiladheringtothesurface,andreweighed. Thespecimenswillusuallyretainabsorbedoliveoilwhichisextractedbyadissolutionandprecipitationprocedure anddeterminedquantitativelybygaschromatography,afterconversiontomethylesters.Methylationiscarriedout byreactingaborontrifluoride/methanolcomp

39、lexwithfattyacidsformedbyhydrolysingtheoilwithpotassium hydroxide. Incasetheplasticdoesnotdissolvecompletely,swellingoftheplasticinthesolventshouldbesuchthattheolive oilabsorbedcanbereleasedfromtheplastic. Dependingonthetypeofplasticanappropriateorganicsolventisselectedinordertodissolveorswellthepla

40、stic. Forchloroformsolubleplasticslikepolystyreneandpolycarbonate,chloroformisusedtoreleasetheoliveoil absorbed. Forpolyolefins,tolueneandxyleneareusedaslowdensitypolyethyleneshowsgoodsolubilityintolueneandhigh densitypolyethyleneandpolypropylenedissolveorswellsufficientlyinxylene. Forpolyvinylchlor

41、ideorpolyvinylidenechloride,tetrahydrofurancanbeapplied. Overallmigrationintotheoliveoiliscalculatedbysubtractingthemassofoliveoilretainedbythetestspecimen fromthemassofthetestspecimenafterremovalfromtheoliveoil,andthensubtractingthismassfromtheinitial massofthetestspecimen. Thetotallossinmassisexpr

42、essedinmilligramspersquaredecimetreofsurfaceareaofthetestspecimen intendedtocomeintocontactwithfoodstuffsandtheoverallmigrationisreportedasthemeanofaminimumof threedeterminationsonseparatetestspecimens. Toallowforinaccuracieswhichmayariseduringtheprocedureandwhichmaybedifficulttodetect,duefor exampl

43、etocontaminationorlossofoilduringthesamplinghandlingstages,quadruplicatedeterminationsare carriedoutonthesampleallowingfortheresultfromonespecimentobediscarded. NOTE Beforestartingamigrationexercise,thetestsampleshouldbeexaminedforthepresenceofcomponentsinterfering inthedeterminationoftheamountofoliveoilextracted,see7.1ofEN11862:2002.Ifanunacceptableamountofinterferenc e ispresentthensuitabilityofoneoftheotherfattyfoodsimulantsshouldbeexamined,seeanne