1、ICS 13.060.50Wasserbeschaffenheit Bestimmung von Stickstoff Bestimmungvon gebundenem Stickstoff (TNb) nach Oxidation zu StickstoffoxidenEuropean Standard EN 12260 : 2003 has the status of a DIN Standard.A comma is used as the decimal marker.This standard is part of the series Deutsche Einheitsverfah
2、ren zur Wasser-, Abwasser- und Schlamm-untersuchung Summarische Wirkungs- und Stoffkenngren (Gruppe H) (German standard methods forthe examination of water, waste water and sludge Parameters characterizing effects and substances(group H).National forewordThis standard has been prepared by CEN/TC 230
3、 Water analysis (Secretariat: Germany).The responsible German body involved in its preparation was the Normenausschuss Wasserwesen (WaterPractice Standards Committee).Expert assistance and specialized laboratories will be required to perform the analysis described in thisstandard.Depending on the ob
4、jective of the analysis, a check shall be made on a case-by-case basis as to whetherand to what extent additional conditions will have to be specified.Standard methods published as DIN Standards are obtainable from Beuth Verlag GmbH, either individuallyor grouped in volumes. The standard methods inc
5、luded in the loose-leaf publication entitled DeutscheEinheitsverfahren zur Wasser-, Abwasser- und Schlammuntersuchung will continue to be published byWiley-VCH Verlag and Beuth Verlag GmbH.Ref. No. DIN EN 12260 : 2003-12English price group 09 Sales No. 110903.04DEUTSCHE NORM December 2003EN 12260Con
6、tinued overleaf.EN comprises 11 pages. 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).Water quality Determination of
7、nitrogenDetermination of bound nitrogen (TNb) following oxidation tonitrogen oxidesEnglish version of DIN EN 12260Supersedes DIN V ENV 12260,June 1996 edition.Page 2DIN EN 12260 : 2003-12Standard methods or draft standards bearing the group title German standard methods for the examinationof water,
8、waste water and sludge are classified under the following categories (main titles):General information (group A) (DIN 38402)Sensory analysis (group B) (DIN 38403)Physical and physicochemical parameters (group C) (DIN 38404)Anions (group D) (DIN 38405)Cations (group E) (DIN 38406)Substance group anal
9、ysis (group F) (DIN 38407)Gaseous constituents (group G) (DIN 38408)Parameters characterizing effects and substances (group H) (DIN 38409)Biological-ecological methods of analysis (group M) (DIN 38410)Microbiological methods (group K) (DIN 38411)Bio-assays (group L) (DIN 38412)Individual constituent
10、s (group P) (DIN 38413)Sludge and sediments (group S) (DIN 38414)Subanimal testing (group T) (DIN 38415)In addition to the methods described in the DIN 38402 to DIN 38415 series of standards, there are a numberof European Standards available, which also form part of the collection of German standard
11、 methods.Information on Parts of these series of standards that have already been published can be obtained from theoffices of the Normenausschuss Wasserwesen, telephone (030) 2601-2448, or from Beuth Verlag GmbH, Burg-grafenstrae 6, 10787 Berlin, Germany.The DIN Standards corresponding to the Inter
12、national Standards referred to in clause 2 of the EN are as follows:ISO 5725-2 DIN ISO 5725-2ISO 8466-1 DIN 38402-51ISO 8466-2 DIN ISO 8466-2AmendmentsThe standard now has full status.Previous editionDIN V ENV 12260: 1996-06.National Annex NAStandard referred to(and not included in Normative referen
13、ces and Bibliography)DIN 38402-51 German standard methods for the examination of water, waste water and sludge Generalinformation (group A) Calibration of analytical methods, evaluation of analytical results andlinear calibration functions used to determine the performance characteristics of analyti
14、calmethods (A 51)September 2003English versionICS 13.060.50 Supersedes ENV 12260 : 1996.Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungWater quality Determination of nitrogenDetermination of boun
15、d nitrogen (TNb) following oxidation tonitrogen oxides 2003. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 12260 : 2003 EQualit de leau Dosage de lazote Dosage de lazote li (TNb) aprsoxydation en oxydes dazoteWasserbeschaffenheit B
16、estimmungvon Stickstoff Bestimmung von ge-bundenem Stickstoff (TNb) nachOxidation zu StickstoffoxidenThis European Standard was approved by CEN on 2003-08-01.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the
17、status of anational 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 any CENmember.The European Standards exist in three official versions (English, French, German).A vers
18、ion in any other 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, the CzechRepublic, Denmark, Finland, France
19、, Germany, Greece, Hungary, Iceland,Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia,Spain, Sweden, Switzerland, and the United Kingdom.EN 12260Page 2EN 12260 : 2003Page 3EN 12260 : 2003Page 4EN 12260 : 2003Page 5EN 12260 : 2003Page 6EN 12260 : 2003Page 7EN 12260 : 2003Page 8EN 12260 : 2003Page 9EN 12260 : 2003Page 10EN 12260 : 2003Page 11EN 12260 : 2003
