1、DEUTSCHE NORM October 2004DIN EN ISO 14851 No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).English price group 14 www.
2、din.de www.beuth.de02.05 9606941Continued overleaf.Document comprises 26 pages.Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous mediumMethod by measuring the oxygen demand in a closed respirometer(ISO 14851 : 1999)English version of DIN EN ISO 14851Bestimmung
3、 der vollstndigen aeroben Bioabbaubarkeit von Kunststoff-Materialien in einem wssrigen Medium Verfahren mittels Messung des Sauerstoffbedarfs in einem geschlossenen Respirometer (ISO 14851 : 1999)European Standard EN ISO 14851 : 2004 has the status of a DIN Standard.A comma is used as the decimal ma
4、rker. National forewordThis standard has been published in accordance with a decision taken by CEN/TC 249 to adopt, without alteration, International Standard ISO 14851 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Kunststoffe (Plastics Standa
5、rds Committee).The DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are as follows:ISO 8245 DIN EN 1484ISO 9408 DIN EN ISO 9408ISO 10634 DIN EN ISO 10634National Annex NAStandards referred to(and not included in Normative references, Annexes G and ZA)DIN E
6、N 1484 Water analysis Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)DIN EN ISO 9408 Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous me-dium by determination of oxygen demand in a closed respirometer (ISO 9408 : 1999)D
7、IN EN ISO 10634 Water quality Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aque-ous medium (ISO 10634 : 1995)ICS 83.080.01 Supersedes DIN 16779-2, January 1990 edition.Page 2 DIN EN ISO 14851 : 2004
8、-10English versionICS 83.080.01Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr Normung 2004. CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national members.Ref. N
9、o. EN ISO 14851 : 2004 EEvaluation de la biodgradabilit arobie ultime des matriaux plas-tiques en milieu aqueux Mthode par dtermination de la demande en oxygne dans un respiromtre ferm (ISO 14851 : 1999)Bestimmung der vollstndigen ae-roben Bioabbaubarkeit von Kunst-stoff-Materialien in einem wss-rig
10、en Medium Verfahren mittels Messung des Sauerstoffbedarfs in einem geschlossenen Respirometer (ISO 14851 : 1999)This European Standard was approved by CEN on 2004-06-21.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European S
11、tandard the status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member.The European Standards exist in three ofcial versions (English, French, Ger
12、man). A version in any other language made by translation under the responsibility of a CEN member into its own language and notied to the Management Centre has the same status as the ofcial versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, the Czech Republic, Denma
13、rk, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom.EN ISO 14851July 2004Determination of the ultimate aerobic biodegra
14、dability of plastic materials in an aqueous mediumMethod by measuring the oxygen demand in a closed respirometer(ISO 14851 : 1999)Page 2 EN ISO 14851 : 2004ForewordInternational StandardISO 14851 : 1999 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium
15、Method by measuring the oxygen demand in a closed respirometer,which was prepared by ISO/TC 61 Plastics of the International Organization for Standardization, has been adopted by Technical Committee CEN/TC 249 Plastics, the Secretariat of which is held by IBN, as a European Standard.This European St
16、andard shall be given the status of a national standard, either by publication of an identical text or by endorsement, and conicting national standards withdrawn, by January 2005 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow
17、-ing countries are bound to implement this European Standard:Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Slo-vakia, Slovenia, Spain
18、, Sweden, Switzerland, and the United Kingdom.Endorsement noticeThe text of the International Standard ISO 14851 : 1999 was approved by CEN as a European Standard without any modication.NOTE: Normative references to international publications are listed in Annex ZA (normative).Page 3 EN ISO 14851 :
19、2004Page 4 EN ISO 14851 : 2004Page 5 EN ISO 14851 : 2004Page 6 EN ISO 14851 : 2004Page 7 EN ISO 14851 : 2004Page 8 EN ISO 14851 : 2004Page 9 EN ISO 14851 : 2004Page 10 EN ISO 14851 : 2004Page 11 EN ISO 14851 : 2004Page 12 EN ISO 14851 : 2004Page 13 EN ISO 14851 : 2004Page 14 EN ISO 14851 : 2004Page 15 EN ISO 14851 : 2004Page 16 EN ISO 14851 : 2004Page 17 EN ISO 14851 : 2004Page 18 EN ISO 14851 : 2004Page 19 EN ISO 14851 : 2004Page 20 EN ISO 14851 : 2004Page 21 EN ISO 14851 : 2004Page 22 EN ISO 14851 : 2004Page 23 EN ISO 14851 : 2004Page 24 EN ISO 14851 : 2004Page 25 EN ISO 14851 : 2004
