Podaci o nacrtu
Oznaka:prEN 18317
Odbor:HZN/TO 134
Ime odbora:Gnojiva i poboljšivači tla
Nacrt objavljen za komentiranje:2026-03-23
Rok za komentiranje:2026-04-14
Broj komentara:0
Contact email:nacrti(at)hzn.hr
Područje primjene nacrta:
This document specifies a method for the determination of the urease inhibitor
N-(n-butyl)thiophosphoric triamide (NBPT) and its oxidate form N-(n-butyl)phosphoric triamide (NBPTO) in urea based organo-mineral fertilizers, using the liquid chromatography coupled with triple quadrupole mass spectrometry (LC-MSQQQ).
This document is applicable to organo-mineral fertilizers.
NOTE It is possible to apply this method to inorganic fertilizers; in this case a validation is carried out by the laboratory for the procedure and data generated.