BS EN 13676-2001 Polymer coated paper and board intended for food contact - Detection of pinholes《接触食品的聚合物涂层纸和纸板 针孔检测》.pdf

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1、BRITISH STANDARD BS EN 13676:2001 Polymer coated paper and board intended for food contact Detection of pinholes The European Standard EN 13676:2001 has the status of a British Standard. ICS 55.040; 67.250 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 13676:2001 This Br

2、itish Standard, having been prepared under the direction of the Consumer Products and Services Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 June 2001 BSI 06-2001 ISBN 0 580 37329 0 National foreword This British Standard is the official E

3、nglish language version of EN 13676:2001. The UK participation in its preparation was entrusted by Technical Committee CW/47, Materials in contact with food, to Subcommittee CW/47/3, Paper and board in contact with foodstuffs, which has the responsibility to: A list of organizations represented on t

4、his subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Inde

5、x”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself co

6、nfer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in t

7、he UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTA

8、NDARD NORMEEUROPENNE EUROPISCHENORM EN13676 April2001 ICS55.040;67.250 Englishversion Polymercoatedpaperandboardintendedforfoodcontact Detectionofpinholes Papiersetcartonsenduitsdepolymresdestinsentrer encontactaveclesdenresalimentairesDtectiondes trousdpingle KunststoffbeschichtetesPapierundPappevo

9、rgesehenfr denKontaktmitLebensmittelnAuffindenvon Nadellchern ThisEuropeanStandardwasapprovedbyCENon19February2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsa

10、ndbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandno

11、tifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFO

12、RSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13676:2001EPage2 EN13676:2001 Contents Page Foreword. 3 Introduction 4 1 Scop

13、e. 4 2 N o r m a t i v e R e f e r e n c e s . 4 3 Termsanddefinitions 4 3.1 pinhole . 4 4 P r in cip le 4 5 Reagents . 4 5.1 Ethanol 4 5.2 DyestuffE131Blue. 4 5 . 3 C o l o u r s o l u t i o n . 4 6 Apparatus 4 6.1 Generallaboratoryequipment 4 6.2 Appropriateapparatusforonesidetesting. 4 7 Sampling

14、andpreparationofsample. 5 8 Procedure 5 9 Interpretation 5 10 Testreport 5Page3 EN13676:2001 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC172“Pulp,paperandboard“,the SecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicati

15、onofanidenticaltextor byendorsement,atthelatestbyOctober2001,andconflictingnationalstandardsshallbewithdrawnatthelatest byOctober2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof thefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechR

16、epublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom.Page4 EN13676:2001 Introduction Paperandboardissometimesprovidedwithapolymerlayerinordertogiveitbarrierproperties.Thebarrier propertiesoftheseconve

17、rtedmaterialsareinfluencedbythepresenceofintentionalorunintentionalsmallholes inthepolymerlayer,socalledpinholes. Pinholescanmakeitinappropriatetousecertainprotocols,e.g.thoseinvolvingliquidfoodsimulants,totest convertedpaperandboardintendedforfoodcontactformigrationinordertoassesscompliancewithlaws

18、or regulations. 1Scope ThisEuropeanStandardspecifiesaprocedureforthedetectionandestimationofpinholesinpolymericlayers onpaperandboard. Itisapplicabletoallkindsofpolymericcoatedpaperandboard. 2Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublication

19、s.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publ

20、icationreferredtoapplies(includingamendments). ENV11861 MaterialsandarticlesincontactwithfoodstuffsPlasticsPart1:Guidetotheselectionof conditionsand testmethodsforoverallmigration EN20535PaperandboardDeterminationofwaterabsorptivenessCobbmethod(ISO535:1991) ENISO186 PaperandboardSamplingtodeterminea

21、veragequality(ISO186:1994) 3Termsanddefinitions ForthepurposeofthisStandard,thefollowingtermsanddefinitionsapply: 3.1 pinhole intentionalorunintentionalsmallholeoropeninglargeenoughtopermitthetransferofapenetrantunderthe conditionsofthistest. 4Principle Thesampleisbroughtintoonesidecontactwithacolou

22、ringsolutionforaspecifiedtime.Thesurplussolution isremovedandanycolouredspots(pinholes)arecounted.Theresultisexpressedasnumberofpinholesper squaredecimetreofpaperorboard. 5Reagents 5.1Ethanol ,(C 2 H 5 OH,96%( v/v),suitableforanalyticalwork. 5.2Dyestuff E131 Blue (ChemicalAbstractServiceNo(CAS)35364

23、90)orCrossingScarletMOO (CAS5413752) 5.3Coloursolution ,0,5%( w/v)ofdyestuffinethanol.Dissolve0,5gofdyestuff(5.2)in100mlethanol(5.1). NOTESomecommercialsamplesofthedyestuffcouldcontaininsolublepins.Inthiscase,itisrecommended tofilterthesolutionbeforeuse. 6Apparatus 6.1Generallaboratoryequipment. 6.2

24、Appropriateapparatusforonesidetesting ,forexampletheapparatusdescribedinEN20535.Acell foronesidedmigrationtestasshowninENV11861mayalsobeused.Page5 EN13676:2001 7Samplingandpreparationofsample Iftheresultofthetestisintendedtoreflectthequalityofalotofpaper,followthesamplingprocedurespecified inENISO18

25、6.Atleast,fivespecimensforexample,eachofabout12cmx12cmordependingonthesizeof thetestingequipmentshallbeavailableforthetest.Donothumidityconditionthesamples,unlessotherwise agreed. 8Procedure Carryoutfiveparalleldeterminationsatroomtemperature. Placethespecimenintheapparatus(see6.2)withthesidetobetes

26、teduppermost.Applyasuitableamount coveringcompletelythesurfaceofthecoloursolution(see5.3)ontothespecimen.After5minpouroffthecolour solutionandremovethesamplefromtheapparatus.Wipeoffthesurfacewithsometissuepaperorasheetof unprintedkitchenroll. Examinetheexposedsurfaceofpaper.Recordthestainedspots(pin

27、holes). NOTEDuetothenatureofthisdeterminationwithdifferentstatisticalspreadsfordifferentmaterialsand situations,itisnotappropriatetoperformstatisticcalculationsinthismethod. 9Interpretation Countthenumberofpinholesinthesamplepersquaredecimetreandexpresstheaverageresultasnum ber/dm. 10Testreport Thet

28、estreportshallrefertothisEuropeanStandardandstate: a)type,originanddesignationofthesample; b)dateandplaceofsampling(ifavailable); c)dateandplaceoftesting; d)theareaofthetestpiece; e)resultofthetest; f)anydeviationfromthisstandardizedprocedurethatmayhaveaffectedtheresult.BS EN 13676:2001 BSI 389 Chis

29、wick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated

30、 by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British St

31、andard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the lates

32、t editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for internationa

33、l standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical

34、 Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 7048. Subscribing members of BSI are kept up to date with standards developments and recei

35、ve substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: 020 8996 7002. Fax: 020 8996 7001. Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI pub

36、lications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic,

37、 photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070.

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