Glyphosate [ N -(phosphonomethyl)glycine] was separated from its potential metabolites, aminomethylphosphonic acid, glycine, and sarcosine by using 500 μm-thick cellulose plates developed with ethanol:water:15 N NH 4 OH:trichloroacetic acid (TCA):17 N acetic acid (55:35: 2.5:3.5 g:2, v/v/v/w/v with v in ml). This TLC system separated impurities from the 14 C-glyphosate standard and glyphosate from possible metabolites in treated field bindweed (Convolvulus arvensis L.).
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Sprankle et al. (1978) studied this question.
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