EN 16075:2011

Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)

This European Standard specifies a method for the determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea or in fertilizers containing urea using high-performance liquid chromatography (HPLC).

Düngemittel - Bestimmung von N-(2-Nitrophenyl)Phosphorsäure-Triamid (2-NPT) in Harnstoff und harnstoffhaltigen Düngemitteln - Verfahren mit Hochleistungs-Flüssigchromatographie (HPLC)

Diese Europäische Norm legt ein Verfahren zur Bestimmung von N-(2-Nitrophenyl)Phosphorsäure-Triamid (2-NPT) in Harnstoff oder harnstoffhaltigen Düngemitteln mit Hochleistungs-Flüssigchromatographie (HPLC) fest.

Engrais - Dosage du N-(2-nitrophényl) triamide phosphorique (2-NPT) dans l'urée et les engrais contenant de l'urée - Méthode par chromatographie liquide à haute performance (HPLC)

La présente norme européenne décrit une méthode de dosage du N-(2-nitrophényl) triamide phosphorique (2 NPT) dans l’urée et les engrais contenant de l’urée, par chromatographie liquide à haute performance (HPLC).

Gnojila - Določevanje N-(2-nitrofenil) triamida fosforne kisline (2-NPT) v sečnini in v gnojilih, ki vsebujejo sečnino - Metoda s tekočinsko kromatografijo visoke ločljivosti (HPLC)

Ta dokument določa metodo za določevanje N–(2–nitrofenil) triamida fosforne kisline (2–NPT) s tekočinsko kromatografijo visoke ločljivosti (HPLC) v sečnini ali gnojilih, ki vsebujejo sečnino.

General Information

• Status: Published
• Publication Date: 01-Nov-2011
• Withdrawal Date: 30-May-2012
• ICS: 65.080 - Fertilizers
• Technical Committee: CEN/TC 260 - Fertilizers and liming materials
• Drafting Committee: CEN/TC 260/WG 7 - Chemical analysis
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Completion Date: 20-Jun-2023
• Directive: 2003/2003 - Regulation (EC) N° 2003/2003 of the European Parlament and of the council of 13 October 2003 relating to fertilisers
• Directive: 2019/1009 - Regulation (EU) 2019/1009 of the European Parliament and of the Council of 5 June 2019 laying down rules on the making available on the market of EU fertilising products and amending Regulations (EC) No 1069/2009 and (EC) No 1107/2009 and repealing Regulation (EC) No 2003/2003
• Mandate: M/418 - Standardization mandate M/335 assigned to CEN concerning the modernisation of the methods of analysis of fertilizers
• Ref Project: SIST EN 16075:2012 - Fertilizers - Determination of N-(2-nitrophenyl)phosphoric acid triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Düngemittel - Bestimmung von N-(2-Nitrophenyl)Phosphorsäure-Triamid (2-NPT) in Harnstoff und harnstoffhaltigen Düngemitteln - Verfahren mit Hochleistungs-Flüssigchromatographie (HPLC)Engrais - Dosage du N-(2-nitrophényl) triamide d'acide phosphorique (2-NPT) dans l'urée et les engrais contenant de l'urée - Méthode par chromatographie liquide à haute performance (HPLC)Fertilizers - Determination of N-(2-nitrophenyl)phosphoric acid triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)65.080GnojilaFertilizersICS:Ta slovenski standard je istoveten z:EN 16075:2011SIST EN 16075:2012en,fr,de01-marec-2012SIST EN 16075:2012SLOVENSKI
STANDARD



SIST EN 16075:2012



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 16075
November 2011 ICS 65.080 English Version
Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)
Engrais - Dosage du N-(2-nitrophényl) triamide phosphorique (2-NPT) dans l'urée et les engrais contenant de l'urée - Méthode par chromatographie liquide à haute performance (HPLC)
Düngemittel - Bestimmung von N-(2-Nitrophenyl)Phosphorsäure-Triamid (2-NPT) in Harnstoff und harnstoffhaltigen Düngemitteln - Verfahren mit Hochleistungs-Flüssigchromatographie (HPLC) This European Standard was approved by CEN on 24 September 2011.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC 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 translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
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B-1000 Brussels © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16075:2011: ESIST EN 16075:2012



EN 16075:2011 (E) 2 Contents Page Foreword .31Scope .42Normative references .43Terms and definitions .44Principle .45Reagents .46Apparatus .47Sampling and sample preparation .58Procedure .58.1Preparation of the test solution .58.2Preparation of the test solution in the presence of paraffin's as conditioning agents .58.3Preparation of the calibration solutions .58.4HPLC conditions .68.5HPLC determination .69Calculation and
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