This European Standard specifies a method for the determination of the 3-methylpyrazole (MP) content in fertilizers, in particular in urea and materials containing urea using high-performance liquid chromatography (HPLC).
DS/EN 15905:2010 history
2010DS/EN 15905:2010 Fertilizers - Determination of 3-methylpyrazole (MP) using high-performance liquid chromatography (HPLC)