EN 12260:2003

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Wasserbeschaffenheit - Bestimmung von Stickstoff - Bestimmung von gebundenem Stickstoff (TNb) nach Oxidation zu StickstoffoxidenQualité de l'eau - Dosage de l'azote - Dosage de l'azote lié (TNb) apres oxydation en oxydes d'azoteWater quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides13.060.50VQRYLExamination of water for chemical substancesICS:Ta slovenski standard je istoveten z:EN 12260:2003SIST EN 12260:2003en01-december-2003SIST EN 12260:2003SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12260September 2003ICS 13.060.50Supersedes ENV 12260:1996English versionWater quality - Determination of nitrogen - Determination ofbound nitrogen (TNb), following oxidation to nitrogen oxidesQualité de l'eau - Dosage de l'azote - Dosage de l'azote lié(TNb) après oxydation en oxydes d'azoteWasserbeschaffenheit - Bestimmung von Stickstoff -Bestimmung von gebundenem Stickstoff (TNb) nachOxidation zu StickstoffoxidenThis European Standard was approved by CEN on 1 August 2003.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12260:2003 ESIST EN 12260:2003

Determination of bound nitrogen using other techniques.10Annex B (informative)
Recovery rates of single compounds using oxidation andchemiluminescence detection (see table B.1).11Annex C (informative)
Precision data.12Bibliography.13SIST EN 12260:2003
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