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Pesticide Residues Analysis of Spinach Using QuEChERS by LC–MS-MS and GC–MS
Sueki H. Leung, Monika M. Kansal, Carl Sanchez, Art Dixon, Michael Rummel, and Erica Pike
Pesticide residue analysis of spinach by LC–MS-MS, GC–MS, and QuEChERS to quickly and effectively remove pigment and other matrix interferences from the difficult spinach sample. The lower limit of quantification (LLOQ) was well below the International Maximum Residue Level limit reported.
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Pesticide Residues Analysis of Lettuce Using QuEChERS by LC–MS-MS and GC–MS
Sueki H. Leung, Monika M. Kansal, Carl Sanchez, Art Dixon, and Erica Pike
Pesticide residue analysis of lettuce by LC–MS-MS, GC–MS, and QuEChERS with recoveries of 70 to 120% and sample-to-sample variability <15%. The lower limit of quantification (LLOQ) was well below the maximum residue limit reported in the International Maximum Residue Level (MRL) database, demonstrating excellent performance of the roQ QuEChERS product for food safety testing.
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Pesticide Screen from Food Samples Using a Synergi™ 2.5 µm Fusion-RP HPLC Column
Phenomenex and AB Sciex
The chemistry contained within Synergi Fusion-RP HPLC columns offers a balanced combination of hydrophobic and polar selectivities, allowing for the screening of 535 pesticides that exhibit polar and hydrophobic characteristics.
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