EN 16651:2015

Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)

This European Standard specifies a method for the quantitative determination of the urease inhibitors N-(n-Butyl)thiophosphoric acid triamide (NBPT, CAS-No. 94317-64-3) and N-(n-Propyl)thiophosphoric acid triamide (NPPT, CAS-No. 916809-14-8) content in urea based fertilizers using high-performance liquid chromatography (HPLC).

Düngemittel - Bestimmung von N-(n-Butyl)thiophosphorsäuretriamid (NBPT) und N-(n-Propyl)thiophosphorsäuretriamid (NPPT) - Verfahren mit Hochleistungs-Flüssigchromatographie (HPLC)

Diese Europäische Norm legt ein Verfahren zur quantitativen Bestimmung des Gehalts der Ureasehemmstoffe N (n Butyl)thiophosphorsäuretriamid (NBPT, CAS-Nr. 94317 64 3) und N-(n-Propyl)thiophosphorsäuretriamid (NPPT, CAS-Nr. 916809 14 8) in harnstoffbasierten Düngemitteln mit Hochleistungs-Flüssigchromatographie (HPLC) fest.

Engrais - Dosage du N-(n-butyl)triamide de l'acide thiophosphorique (NBPT) et du N-(n-propyl)triamide de l'acide thiophosphorique (NPPT) - Méthode par chromatographie liquide à haute performance (HPLC)

La présente norme européenne spécifie une méthode de détermination quantitative de la teneur en inhibiteurs d'uréase N-(n-butyl)triamide de l'acide thiophosphorique (NBPT, N° CAS 94317-64-3) et N-(n-propyl)triamide de l'acide thiophosphorique (NPPT, N° CAS 916809-14-8) dans les engrais à base d'urée, par chromatographie liquide à haute performance (HPLC).

Gnojila - Določevanje N-(n-butil)-triamida tiofosforne kisline (NBPT) in N-(n-propil)-triamida tiofosforne kisline (NPPT) - Metoda tekočinske kromatografije visoke ločljivosti (HPLC)

Ta dokument določa metodo kvantitativnega določanja vsebnosti inhibitorjev sečnine N-(n-butil)-triamida tiofosforne kisline (NBPT, št. CAS 94317-64-3) in N-(n-propil)-triamida tiofosforne kisline (NPPT št. CAS 916809-14-8) v gnojilih, ki temeljijo na sečnini, z metodo tekočinske kromatografije visoke ločljivosti (HPLC).

General Information

• Status: Published
• Publication Date: 19-May-2015
• 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: 05-Feb-2021
• 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 16651:2015 - Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - 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-(n-Butyl)thiophosphorsäuretriamid (NBPT) und N-(n-Propyl)thiophosphorsäuretriamid (NPPT) - Verfahren mit Hochleistungs-Flüssigchromatographie (HPLC)Engrais - Dosage du acide triamide (NBPT) et de N-(n-propyl) triamide de l'acide thiophosphorique (NPPT) - Méthode par chromatographie liquide à haute performance (HPLC)Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)65.080GnojilaFertilizersICS:Ta slovenski standard je istoveten z:EN 16651:2015SIST EN 16651:2015en,fr,de01-september-2015SIST EN 16651:2015SLOVENSKI
STANDARD



SIST EN 16651:2015



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 16651
May 2015 ICS 65.080 English Version
Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)
Engrais - Dosage du N-(n-butyl)triamide de l'acide thiophosphorique (NBPT) et du N-(n-propyl)triamide de l'acide thiophosphorique (NPPT) - Méthode par chromatographie liquide à haute performance (HPLC)
Düngemittel - Bestimmung von N-(n-Butyl)thiophosphorsäuretriamid (NBPT) und N-(n-Propyl)thiophosphorsäuretriamid (NPPT) - Verfahren mit Hochleistungs-Flüssigchromatographie (HPLC) This European Standard was approved by CEN on 16 April 2015.
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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
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B-1000 Brussels © 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16651:2015 ESIST EN 16651:2015



EN 16651:2015 (E) 2 Contents Page Foreword .3 1 Scope .4 2 Normative references .4 3 Terms and definitions .4 4 Principle .4 5 Reagents .4 6 Apparatus .5 7 Sampling .6 8 Procedure .6 8.1 Preparation of the test solution .6 8.2 Calibration .6 8.3 Blank test .6 8.4 Calculation and expression of the results .
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