QuECheRS
Build Outstanding Analytical Performance on a Strong Foundation of Sample Prep
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Agilent’s sample preparation products help you to achieve your analytical goals. We offer syringe filters with a complete membrane portfolio for all sample types. Other Captiva products include cartridges and plates for protein precipitation workflows. For more complex needs, Bond Elut solid phase extraction (SPE) products feature sorbents with phases for different analyte extraction and cleanup needs. QuEChERS kits include extraction salts and dispersive SPE tubes ideal for food applications.
Adding more confidence to sensitive quantitation in complex foods by triple quadrupole GC/MS (GC/TQ)
Concern about trace-level food contaminants is driving the demand for robust, rapid, and reliable methods for identification and quantitation of chemical residues and contaminants in food matrices. Agilent describes the use of the novel simultaneous dMRM/scan (dynamic multiple reaction monitoring/scan) data acquisition mode for reliable identification and quantitation of pesticides in challenging food matrices. Simultaneous dMRM/scan mode eliminates the need to reanalyze the sample in each data acquisition mode separately, enabling retrospective analysis, yet demonstrating comparable performance for quantitation to dMRM only mode. Explore an outline of this method using the Agilent 8890/7000E and 8890/7010C triple quadrupole GC/MS systems (GC/TQ), for spinach, walnut, and cayenne pepper extracts.
Quantitation of over 1,000 pesticide residues in tomato according to SANTE 11312/2021 guideline
Residues of pesticides remaining in or on commodities such as fruits, vegetables, or cereals can cause adverse health effects as well as environmental concerns. In Europe, pesticide testing laboratories adhere to the SANTE 11312/2021 guideline, which ensures a consistent approach for controlling maximum residue levels (MRLs) that are legally permitted in food or animal feed, and requires an elaborate analysis. Agilent highlights a workflow that will help streamline routine pesticide analysis, analyzing over 1,000 pesticide residues in tomato using a single QuEChERS extraction for sample preparation.
Determination of 30 PFAS substances in infant formula, milk, and eggs
Determination of per- and polyfluoroalkyl substances (PFAS) residues in food has become a topic of rising concern. The large variety and high complexity of food matrices challenge the sample preparation method not only in terms of sample extraction and matrix cleanup efficiency, but also the overall method simplicity, sample processing efficiency, and accommodation of different matrices. Agilent Captiva EMR PFAS Food cartridges were developed and optimized specifically for PFAS analysis in food, providing comprehensive mix-mode passthrough cleanup. Explore a proposed workflow for the determination of 30 PFAS targets in infant formula, milk, and eggs, using QuEChERS extraction followed by mixed-mode passthrough cleanup with the Agilent Captiva EMR PFAS Food II cartridge and LC/MS/MS detection.
