DIN EN ISO 14673-1-2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1 Method using cadmium reduction and spectrometry (ISO 14673-1 2004) German ve.pdf

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1、ICS 67.100.01Milk and milk productsDetermination of nitrate and nitrite contentsPart 1: Method using cadmium reduction and spectrometry(ISO 14673-1 : 2004)English version of DIN EN ISO 14673-1Milch und Milchprodukte Bestimmung des Nitrat- und Nitritgehaltes Teil 1: Verfahren mit Cadmium-reduktion un

2、d Spektrometrie (ISO 14673-1 : 2004)European Standard EN ISO 14673-1 : 2004 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been published in accordance with a decision taken by CEN/TC 302 Milk and milkproducts Methods of sampling and analysi

3、s to adopt, without alteration, International StandardISO 14673-1 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Lebensmittel und land-wirtschaftliche Produkte (Foodstuffs and Agricultural Products Standards Committee), Technical Commit-tee Mil

4、ch und Milchprodukte Probenahme- und Untersuchungsverfahren.The DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are asfollows:ISO 565 DIN ISO 565ISO 707 DIN EN ISO 707ISO 1042 DIN EN ISO 1042AmendmentsThis standard differs from the May 2002 edition in tha

5、t is has been editorially reveised.Previous editionsDIN 10338: 1982-09; DIN EN ISO 14673-1: 2002-05.National Annex NAStandards referred to(and not included in Normative references)DIN EN ISO 707 Milk and milk products Guidance on sampling (ISO 707 : 1997)DIN EN ISO 1042 Laboratory glassware One-mark

6、 volumetric flasks (ISO 1042 : 1998)DEUTSCHE NORM May 2004DIN EN ISO 14673-1 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-No

7、rmen).SupersedesMay 2002 edition.English price group 13www.din.dewww.beuth.de9569687Continued overleaf.Document comprises 16 pages.08.04G04G0FG3EG67G5DG05English versionICS 67.100.01 Supersedes EN ISO 14673-1 : 2001.Milk and milk productsDetermination of nitrate and nitrite contentsPart 1: Method us

8、ing cadmium reduction and spectrometry(ISO 14673-1 : 2004) 2004. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN ISO 14673-1 : 2004 EMilch und Milchprodukte Bestim-mung des Nitrat- und Nitritgehaltes Teil 1: Verfahren mit Cadmiumredu

9、k-tion und Spektrometrie(ISO 14673-1 : 2004)This European Standard was approved by CEN on 2004-02-02.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to

10、-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the r

11、esponsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, theCzech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,Iceland, Irel

12、and, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.EN ISO 14673-1February 2004Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de No

13、rmalisationEuropisches Komitee fr NormungLait et produits laitiers Dterminationdes teneurs en nitrates et en nitrites Partie 1: Mthode par rduction aucadmium et spectromtrie(ISO 14673-1 : 2004)Page 2EN ISO 14673-1 : 2004ForewordInternational StandardISO 14673-1 : 2004 Milk and milk products Determin

14、ation of nitrate and nitrite contents Part 1: Methodusing cadmium reduction and spectrometry,which was prepared by ISO/TC 34 Agricultural food products of the International Organization for Standardi-zation, has been adopted by Technical Committee CEN/TC 302 Milk and milk products Methods of samplin

15、gand analysis, the Secretariat of which is held by NEN, as a European Standard.This European Standard shall be given the status of a national standard, either by publication of an identicaltext or by endorsement, and conflicting national standards withdrawn, by August2004 at the latest.In accordance

16、 with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow-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, Lithua

17、nia, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal,Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom.Endorsement noticeThe text of the International Standard ISO 14673-1 : 2004 was approved by CEN as a European Standardwithout any modification.23344467777888889910

18、101111111111121212121315Page 3EN ISO 14673-1 : 2004Page 4EN ISO 14673-1 : 2004Page 5EN ISO 14673-1 : 2004Page 6EN ISO 14673-1 : 2004Page 7EN ISO 14673-1 : 2004Page 8EN ISO 14673-1 : 2004Page 9EN ISO 14673-1 : 2004Page 10EN ISO 14673-1 : 2004Page 11EN ISO 14673-1 : 2004Page 12EN ISO 14673-1 : 2004Page 13EN ISO 14673-1 : 2004Page 14EN ISO 14673-1 : 2004Page 15EN ISO 14673-1 : 2004