Application Note: Determination of EDTA, HEDTA and TPA according to EN 13368-1
9 April 2014

Complexing agents are used in fertilizers to bind trace nutrients such as cobalt, iron, manganese, etc. EN 13368-1 describes the determination of EDTA, HEDTA, and DTPA. This application note describes the separation of these complexes using an anion-exchange column and detection by UV/VIS.

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