90.93 Standard confirmed Feb 5, 2021
CEN
CEN/TC 260 Fertilizers and liming materials
European Norm
65.080 Fertilizers
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).
Legislation related to this standard
Regulation (EC) N° 2003/2003 of the European Parlament and of the council of 13 October 2003 relating to fertilisers
PUBLISHED
EN 16651:2015
90.93
Standard confirmed
Feb 5, 2021