ISO 6650:2023Published

Fertilizers, soil conditioners and beneficial substances — Simultaneous determination of N-(n-Butyl) thiophosphoric triamide and dicyandiamide by high-performance liquid chromatography

Engrais, Amendements et Substances Bénéfiques — Détermination Simultanée du N-buthylthiophosphore Triamide (NBPT) et du Dicyandiamide (DCD) par Chromatographie Liquide à Haute Performance (HPLC)

Abstract / scope

This document specifies the analytical method for the simultaneous determination of N-(n-butyl) thiophosphoric triamide (NBPT) and dicyandiamide (DCD) in fertilizers by high-performance liquid chromatography (HPLC) method.