BS-EN-648-1994.pdf
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1、BRITISH STANDARD BS EN 648:1994 Paper and board intended to come into contact with foodstuffs Determination of the fastness of fluorescent whitened paper and board The European Standard EN 648:1993 has the status of a British Standard UDC 676.2:663/664:620.1:535.68 Licensed Copy: sheffieldun sheffie
2、ldun, na, Mon Nov 13 14:23:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 648:1994 This British Standard, having been prepared under the direction of the Consumer and Contract Goods Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15
3、January 1994 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference CCM/47 Draft for comment 92/39057 DC ISBN 0 580 22481 3 Cooperating organizations The European Committee for Standardization (CEN), under whose supervision this European Standard was prepar
4、ed, comprises the national standards organizations of the following countries: AustriaOesterreichisches Normungsinstitut BelgiumInstitut belge de normalisation DenmarkDansk Standardiseringsraad FinlandSuomen Standardisoimisliito, r.y. FranceAssociation franaise de normalisation GermanyDeutsches Inst
5、itut fr Normung e.V. GreeceHellenic Organization for Standardization IcelandTechnological Institute of Iceland IrelandNational Standards Authority of Ireland ItalyEnte Nazionale Italiano di Unificazione LuxembourgInspection du Travail et des Mines NetherlandsNederlands Normalisatie-instituut NorwayN
6、orges Standardiseringsforbund PortugalInstituto Portugus da Qualidade SpainAsociacin Espaola de Normalizacin y Certificacin SwedenStandardiseringskommissionen i Sverige SwitzerlandAssociation suisse de normalisation United KingdomBritish Standards Institution Amendments issued since publication Amd.
7、 No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 14:23:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 648:1994 BSI 10-1999i Contents Page Cooperating organizationsInside front cover National forewordii Foreword2 Text of EN 6483 National annex NA (informative) Committees r
8、esponsibleInside back cover National annex NB (informative) Cross-referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 14:23:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 648:1994 ii BSI 10-1999 National foreword This British Standard has been prepared under the d
9、irection of the Consumer and Contract Goods Standards Policy Committee and is the English language version of EN 648 Paper and board intended to come into contact with foodstuffs Determination of the fastness of fluorescent whitened paper and board, published by the European Committee for Standardiz
10、ation (CEN). EN 648 was produced as a result of international discussions in which the UK took an active part. 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 Britis
11、h Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 6, an inside back cover and a back cover. This standard has been updated (see copyright date) and may hav
12、e had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 14:23:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 648 October 1993 UDC 676.2:663/664:6
13、20.1:535.68 Descriptors: Paper, paperboards, food products, food-container contact, measurements, colourfastness, bleaching, bleaching agents English version Paper and board intended to come into contact with foodstuffs Determination of the fastness of fluorescent whitened paper and board Papier et
14、carton destins entrer en contact avec les denres alimentaires Dtermination de la solidit du papier et du carton blanchis par des agents dazurage fluorescents Papier und Pappe vorgesehen fr den Kontakt mit Lebensmitteln Bestimmung der Farbechtheit von optisch aufgehelltem Papier und Pappe This Europe
15、an Standard was approved by CEN on 1993-10-01. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerni
16、ng such national standards 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 translation under the responsibility of a CEN member into its own lan
17、guage and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and
18、 United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1993 Copyright reserved to CEN members Ref. No. EN 648:1993 E Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 14:2
19、3:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 648:1993 BSI 10-1999 2 Foreword This European Standard has been prepared by the Technical Committee CEN/TC 172 “Pulp, paper and board”, the Secretariat of which is held by DIN. This European Standard shall be given the status of a national standard,
20、 either by publication of an identical text or by endorsement, at the latest by April 1994, and conflicting national standards shall be withdrawn at the latest by April 1994. According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Aus
21、tria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Contents Page Foreword2 1Scope3 2Normative references3 3Definition3 4Principle3 5Test materials and equipment3 6Reagents3 7Samp
22、ling3 8Preparation of sample3 9Procedure A (long duration contact)3 10Procedure B (short time contact)4 11Comparison papers4 12Evaluation4 13Test report5 14Additional information5 Table 14 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 14:23:01 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 6
23、48:1993 BSI 10-19993 1 Scope This European Standard describes procedures for the testing of fluorescent whitened paper and board intended to come into contact with foodstuffs. Two procedures are given. Procedure A for contact of long duration (e.g. food-packaging) and procedure B for contact of shor
24、t duration (e.g. napkins, kitchen papers, household papers). 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereaf
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