How do laboratories test spinach for pesticide residues? It starts with smart sample cleanup, which is difficult for spinach due to natural pigments such as chlorophyll. Jeremy Shia shows Jen Fournier the options for removing chlorophyll from QuEChERS spinach extracts prior to GC-MS/MS analysis. Read the app note with Jeremy's full method: http://bit.ly/2vCbWjO
ChromatographyFood and BeverageMass Spectrometry