HPLC Separation of Glyphosate Production Intermediates

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Chromatogram

Description

Glyphosate is a broad spectrum herbicide used to kill weeds. It is the most used herbicide. Glyphosate is an aminophosphonic analogue of the natural amino acid glycine. Glyphosate and its intermediates are very polar ionic compounds derived from glycine. Neither of intermediates can be retained on traditional reversed-phase columns. Two methods for glyphosate intermediates were developed on Primesep B, Primesep B2 and Primesep 100 columns.

Method Parameters

Mobile PhaseMeCN/H2O
BufferTFA, H2SO4
Flow Rate1.0 ml/min
DetectionELSD
Class of CompoundsInsecticide, Herbicide, Fungicide,  Hydrophobic, Ionizable
Analyzing CompoundsGlyphosate, PMIDAA, IDA

HPLC Column Used

Primesep B, Primesep B2, Primesep 100,  4.6×150 mm, 5 µm, 100A