This document specifies a method for the determination of nitrification inhibitor 2-(3@4-dimethylpyrazol- 1-yl)-succinic acid (DMPSA) using high-performance liquid chromatography (HPLC)@ which is applicable to all mineral fertilizers.
EN 17090:2018 history
2018EN 17090:2018 Fertilizers - Determination of nitrification inhibitor DMPSA in fertilizers - Method using high-performance liquid chromatography (HPLC)