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Fig. 1 | International Journal of Food Contamination

Fig. 1

From: Cabbage or ‘pesticide’ on the platter? Chemical analysis reveals multiple and excessive residues in African vegetable markets

Fig. 1

Chromatograms for (a) LC-MS/MS showing peaks for 3 multi-detected pesticide residues for a sample from a vendor at Shoshong shopping centre in Central District (S23. 01806, E026. 30,813) (methamidophos: RT = 4.161 min, concentration = 0.0262 mg/kg; methomyl: RT = 10.163, concentration = 0.0140 mg/kg and chlorantraniliprole: RT = 20.282 min, concentration = 0.0350 mg/kg). b GC-MS showing peaks residues for chlorfenapyr (RT = 20.269 min, concentration = 0.5271 mg/kg) from a sample from a supermarket in South East District (S24.39582, E025. 54,124). The insertion in 1b shows the extracted and zoomed GC-MS peaks and mass-to-charge ratios for Chlorfenapyr. (Batch 3876_7A14.d and 3876a07D represents laboratory sample coding. RT = Retention time in minutes)

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