DIN 38407-22

German standard methods for the examination of water, waste water and sludge – Jointly determinable substances (group F) – Part 22: Determination of Glyphosate and Aminomethyl phosphic acid (AMPA) by high performance liquid chromatography (HPLC), post-column derivatization and fluorescence detection (F 22)
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/2001