This European Standard specifies a method for the determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid (IDHA)) in fertilizers. The method is applicable to all fertilizers containing IDHA as chelating agent for contents > 0,5 % (g/100 g).
DS/EN 15950:2011 history
2011DS/EN 15950:2011 Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC)