1、ICS 67.120.10Foodstuffs Determination of nitrate and/or nitrite contentPart 3: Spectrometric determination of nitrate and nitrite content of meat products afterenzymatic reduction of nitrate to nitriteEnglish version of DIN EN 12014-3Lebensmittel Bestimmung des Nitrat- und/oder Nitritgehaltes Teil 3
2、: Spektralphotometrische Bestim-mung des Nitrat- und Nitritgehaltes in Fleischerzeugnissen nach enzymatischer Reduktion von Nitrat zu NitritNational forewordThis standard has been prepared by Working Group 7 Nitrate, Nitrite of CEN/TC 275 Food analysis Horizontal methods (Secretariat: Germany).The r
3、esponsible German body involved in its preparation was the Normenausschuss Lebensmittel undlandwirtschaftliche Produkte (NAL) (Foodstuffs and Agricultural Products Standards Committee), TechnicalCommittee Nitrat, Nitrit.The DIN Standard corresponding to the European Standard referred to in clause 2
4、of the EN is as follows:EN Standard DIN StandardEN ISO 3696 DIN ISO 3696AmendmentsThis standard differs from DIN V ENV 12014-3, August 1998 edition, as follows:a) The calculation of the result has been simplified.b) The results of the new interlaboratory tests have been taken into account.c) The sta
5、ndard has been editorially revised.Previous editionDIN V ENV 12014-3: 1998-08National Annex NA(informative)BibliographyDIN ISO 3696 Water for analytical laboratory use Specification and test methods (ISO 3696:1987)DEUTSCHE NORM August 2005DIN EN 12014-3 No part of this standard may be reproduced wit
6、hout 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 11www.din.dewww.beuth.de9658219Continued overleaf.Document comprises 12 pages.11.05G4G15G71G88G25
7、G5Supersedes DIN V ENV 12014-3,August 1998 edition.English versionICS 67.120.10Foodstuffs Determination of nitrate and/or nitrite contentPart 3: Spectrometric determination of nitrate and nitrite content ofmeat products after enzymatic reduction of nitrate to nitrite 2005. CEN All rights of exploita
8、tion in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 12014-3:2005 ELebensmittel Bestimmung des Nitrat-und/oder Nitritgehaltes Teil 3: Spekt-ralphotometrische Bestimmung desNitrat- und Nitritgehaltes in Fleisch-erzeugnissen nach enzymatischerReduktion von Nitrat zu
9、 NitritThis European Standard was approved by CEN on 2005-04-01.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-date lists and bibliographical refer
10、ences 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 responsibility of aCEN member into its
11、 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, Ireland, Italy, Latvia, Lithuania, Luxemb
12、ourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.EN 12014-3May 2005Management Centre: rue de Stassart, 36 B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungProdu
13、its alimentaires Dterminationde la teneur en nitrates et/ou en ni-trites des produits carns Partie 3:Dtermination spectromtrique de lateneur en nitrates et en nitrites aprsrduction enzymatique des nitratesen nitritesSupersedes ENV 12014-3:1998.Page 2EN 12014-3:200523333667891011Page 3EN 12014-3:2005Page 4EN 12014-3:2005Page 5EN 12014-3:2005Page 6EN 12014-3:2005Page 7EN 12014-3:2005Page 8EN 12014-3:2005Page 9EN 12014-3:2005Page 10EN 12014-3:2005Page 11EN 12014-3:2005
