SIST EN 16075:2012
(Main)Fertilizers - Determination of N-(2-nitrophenyl)phosphoric acid triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (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)
The document specifies a method for the determination of N-(2-nitrophenyl)phosphoric acid triamide (2-NPT) in urea and fertilizers containing urea using high-performance liquid chromatographie (HPLC). The sample of fertilizer is dissolved in water or extracted with water. 2-NPT is determined using reversed phase high-performance liquid chromatographie with an UV-detector.
Düngemittel - Bestimmung von N-(2-Nitrophenyl)Phosphorsäure-Triamid (2-NPT) in Harnstoff und harnstoffhaltigen Düngemitteln - Verfahren mit Hochleistungs-Flüssigchromatographie (HPLC)
Das vorliegende Dokument 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 d'acide phosphorique (2-NPT) dans l'urée et les engrais contenant de l'urée - Méthode par chromatographie liquide à haute performance (HPLC)
Le présent document décrit une méthode de dosage du N-(2-nitrophényl) triamide d’acide 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
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
Management Centre:
Avenue Marnix 17,
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 expression of the results .69.1Calculation .69.2Expression of results .710Precision .710.1Inter-laboratory test .710.2Repeatability .710.3Reproducibility .711Test report .8Annex A (informative)
Statistical results of the inter-laboratory test .9Bibliography . 10 SIST EN 16075:2012
EN 16075:2011 (E) 3 Foreword This document (EN 16075:2011) has been prepared by Technical Committee CEN/TC 260 “Fertilizers and liming materials”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2012, and conflicting national standards shall be withdrawn at the latest by May 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: 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 the United Kingdom.
SIST EN 16075:2012
EN 16075:2011 (E) 4 1 Scope 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). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1482-2, Fertilizers and liming materials — Sampling and sample preparation — Part 2: Sample preparation EN 12944-1:1999, Fertilizers and liming materials and soil improvers — Vocabulary — Part 1: General terms EN 12944-2:1999, Fertilizers and liming materials and soil improvers — Vocabulary — Part 2: Terms relating to fertilizers
EN ISO 3696:1995, Water for analytical laboratory use — Specification and test
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