Confirmation of PCDDs and PCDFs at Sub-Femtogram Levels Using Atmospheric Pressure Gas Chromatography (APGC) with Xevo TQ-XS

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Rhys Jones, Keith Hall, David Douce, Jody Dunstan, Ken Rosnack, and Adam Ladak
Waters and GC^2
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Application Notes
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Technical Notes
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Utilizing APGC coupled with the Xevo TQ-XS allows sub-femtogram levels of dioxins to be analyzed in complex samples. The added sensitivity enables the dilution of expensive dioxin standards, reduces the need to preconcentrate sample extracts (prior to analysis), and minimizes the amount of sample required for testing.

Not only is this system exceptionally sensitive, it is also robust and produces consistent results over thousands of injections. The APGC coupled with the Xevo TQ-XS far surpasses the regulatory requirements for
dioxin testing.

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