Fig. 3From: Optimization and validation of a highly sensitive method for determining glyphosate in human urine by solid-phase extraction and liquid chromatography with tandem mass spectrometry: a methodological studyMass chromatogram of the glyphosate at concentration range from 0.13 to 3.51 μg/L. The upper right chromatogram is the enlarged figure of the 0.13 μg/L chromatogramBack to article page