Low level quantification of PCDD/Fs in animal feed using the TSQ 9000 triple quadrupole GC-MS/MS system with AEI source

This work aimed to demonstrate that a sensitive and robust quantitative analysis of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzo-p-furans (PCDD/Fs), compliant with EU regulations—specifically related to ion ratios (IR) and response factor (RF) thresholds—was achievable in a routine environment using the TSQ 9000 triple quadrupole GC-MS/MS system.

The results of this study demonstrate that the TSQ 9000 GC-MS/MS system configured with the AEI source satisfies all of the current EU commission requirements for the detection and confirmation of dioxins in food and feed samples.

  • The outstanding sensitivity achieved with the TSQ 9000 GC-MS/MS instrument with the AEI source was proven to be repeatable and robust throughout a continuous two-day analytical sequence. This shows compliance with the regulations for sample intake weights as low as 5 g for feed samples.
  • The stability and repeatability of the ion ratios and response factors generated provide confidence in results at the lowest quantifiable levels.
  • The reported upperbound WHO-TEQ results reported for low level samples below the MLs were significantly lower than the 1/5 MLs required, giving both reassurance and flexibility when analysing multiple sample types.
Low level quantification of PCDD/Fs in animal feed using the TSQ 9000 triple quadrupole GC-MS/MS system with AEI source

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