Add time:07/26/2019         Source:sciencedirect.com

New methods were developed to determine glyphosate, N-(phosphonomethyl)glycine, and its major metabolite, (Aminomethyl)phosphonic acid (cas 1066-51-9) in groundwater and soil. The methods involve ligand-exchange, anion-exchange and derivatisation and final identification and quantification by GC–MS. The limits of quantification in this experiment were 0.1 μg l−1 for both compounds in water and 0.006 μg g−1 for both compounds in soil. Decomposition in soil and occurrence in groundwater of the herbicide glyphosate was studied after its application for weed control on a Swedish railway embankment.

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