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Jeremy Shia: Ask me how to detect polar pesticides | Behind the Science, S2 Ep20

from Waters Corporation

Glyphosate is a commonly-used herbicide that’s a tough analytical challenge for food testing laboratories. Structurally, glyphosate is a small, polar compound that doesn’t have a chromophore so it can’t be detected by UV. Current analytical methods use labeling and GC-MS, but researchers would prefer to test for its presence against maximum residue limits (MRLs) directly. Jen talks with Jeremy Shia of Waters, who discusses an updated LC-MS method using HILIC chromatography with a Torus DEA column and quantification on the Xevo TQ-XS mass spectrometer. More info: http://bit.ly/2mCUV2M

about 1 year ago

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