“…Soil analyses had the fewest methods not requiring derivatization and all had MS detection, LC-ICP-MS, 138 LC-MS/MS 7 and CE-MS. 23 Similar but fewer methods have been used for separation and detection of glyphosate and AMPA in soil extracts as compared with water and plant materials. For separation by HPLC, C18, 4,28, 39,44,83,84,92,137,143,145,147,150 C8, 143 Aminex, 148 (Table 3). 139 Most LODs with these detection methods ranged from 10 to 100 μg kg −1 , with a few at <1 μg kg −1 .…”