PCDD/PCDF and PCB analysis
H
2
SO
4
on porous quartz (60%)
Multilayer column
Alumina column
(fractionating of
mono-ortho PCBs
and cPCB)
Carbon column (20 mg AX-21)
for
PCDD/PCDF and cPCB fraction
Alumina column
Multilayer column
Carbon column (20 mg AX-21)
PCDD/PCDF analysis
Sample clean-up
All analysis were performed on GC-HRMS
Finnigan MAT 95XL at resolution 10000