1、ICS 67.100.01Milk and milk productsDetermination of nitrate and nitrite contentsPart 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)(ISO 14673-3 : 2004)English version of DIN EN ISO 14673-3Milch und Milchprodukte Bestimmung des Nitrat- und Nitritg
2、ehaltes Teil 3: Verfahren mit Cadmium-reduktion und Flieinjektionsanalyse mit In-line-Dialyse (Routineverfahren) (ISO 14673-3 : 2004)European Standard EN ISO 14673-3 : 2004 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been published in acc
3、ordance with a decision taken by CEN/TC 302 Milk and milkproducts Methods of sampling and analysis to adopt, without alteration, International StandardISO 14673-3 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Lebensmittel und land-wirtschaftli
4、che Produkte (Foodstuffs and Agricultural Products Standards Committee), Technical Commit-tee Milch und Milchprodukte Probenahme- und Untersuchungsverfahren.The DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are asfollows:ISO 707 DIN EN ISO 707ISO 1042 D
5、IN EN ISO 1042ISO 14673-1 DIN EN ISO 14673-1AmendmentsThis standard differs from the May 2002 edition in that is has been editorially reveised.Previous editionDIN EN ISO 14673-3: 2002-05.National Annex NAStandards referred to(and not included in Normative references)DIN EN ISO 707 Milk and milk prod
6、ucts Guidance on sampling (ISO 707 : 1997)DIN EN ISO 1042 Laboratory glassware One-mark volumetric flasks (ISO 1042 : 1998)DIN EN ISO 14673-1 Milk and milk products Determination of nitrate and nitrite contents Part 1:Method using cadmium reduction and spectrometry (ISO 14673-1 : 2004)DEUTSCHE NORM
7、May 2004DIN EN ISO 14673-3 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).SupersedesMay 2002 edition.English price gro
8、up 12www.din.dewww.beuth.de9569691Continued overleaf.Document comprises 13 pages.08.04G04G0FG3EG67G61G05English versionICS 67.100.01 Supersedes EN ISO 14673-3 : 2001.Milk and milk productsDetermination of nitrate and nitrite contentsPart 3: Method using cadmium reduction and flow injection analysis
9、within-line dialysis (Routine method)(ISO 14673-3 : 2004) 2004. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN ISO 14673-3 : 2004 EMilch und Milchprodukte Bestim-mung des Nitrat- und Nitritgehaltes Teil 3: Verfahren mit Cadmiumreduk
10、-tion und Flieinjektionsanalyse mitIn-line-Dialyse (Routineverfahren)(ISO 14673-3 : 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 an
11、ational standard without any alteration.Up-to-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 o
12、ther language made by translation under the responsibility 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, F
13、rance, Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.EN ISO 14673-3February 2004Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Com
14、mittee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungLait et produits laitiers Dterminationdes teneurs en nitrates et en nitrites Partie 3: Mthode par rduction aucadmium et danalyse par injection deflux avec dialyse en ligne (Mthode deroutine) (ISO 14673-3 : 2004)Pag
15、e 2EN ISO 14673-3 : 2004ForewordInternational StandardISO 14673-3 : 2004 Milk and milk products Determination of nitrate and nitrite contents Part 3: Methodusing cadmium reduction and flow injection analysis with in-line dialysis (Routinemethod),which was prepared by ISO/TC 34 Agricultural food prod
16、ucts of the International Organization for Standardi-zation, has been adopted by Technical Committee CEN/TC 302 Milk and milk products Methods of samplingand analysis, the Secretariat of which is held by NEN, as a European Standard.This European Standard shall be given the status of a national stand
17、ard, either by publication of an identicaltext or by endorsement, and conflicting national standards withdrawn, by August2004 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow-ing countries are bound to implement this European S
18、tandard: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,Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom.Endorsemen
19、t noticeThe text of the International Standard ISO 14673-3 : 2004 was approved by CEN as a European Standardwithout any modification.233344577788888999910101010111112Page 3EN ISO 14673-3 : 2004Page 4EN ISO 14673-3 : 2004Page 5EN ISO 14673-3 : 2004Page 6EN ISO 14673-3 : 2004Page 7EN ISO 14673-3 : 2004Page 8EN ISO 14673-3 : 2004Page 9EN ISO 14673-3 : 2004Page 10EN ISO 14673-3 : 2004Page 11EN ISO 14673-3 : 2004Page 12EN ISO 14673-3 : 2004
