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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) EN 16651:2015

Publication date:   Aug 17, 2015

General information

90.60   Close of review   Sep 2, 2026

CEN

CEN/TC 260 Fertilizers and liming materials

European Norm

65.080   Fertilizers

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Scope

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).

Related legislation

Legislation related to this standard

2003/2003

Regulation (EC) N° 2003/2003 of the European Parlament and of the council of 13 October 2003 relating to fertilisers

Legislation 2003/2003

Life cycle

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PUBLISHED
EN 16651:2015
90.60 Close of review
Sep 2, 2026




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