To obtain the best, most reproducible results with Echo MS system, it is important both to select the best solvent for your analyte and matrix and to ensure the flow rate is optimized for your solvent. Considerations for solvent selection: The Echo MS system is...
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Selecting the mobile phase for your assay and optimizing flow rates
To obtain the best, most reproducible results with Echo MS system, it is important both to select the best solvent for your analyte and matrix and to ensure the flow rate is optimized for your solvent. Considerations for solvent selection: The Echo MS system is...
Identifying the unknown PFAS profile in firefighting foams/AFFF
According to a recent study from Harvard University, the US EPA, and NIEHS, traditional targeted analysis techniques poorly characterize the PFAS composition of contemporary PFAS-based firefighting foams, know as aqueous film-forming foams (AFFF). Using the EPA 533 PFAS drinking water method for the analyte list, the researchers found that targeted mass spectrometry methods accounted for <1% of organic fluorine content. This is important because it demonstrates that targeted analysis methods miss nearly all the PFAS compounds in modern AFFF mixtures, thus underestimating the risk to human health and the environment.
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