Cleanup method of PAHs

[tsuihoping]

Dear all,

Is there anyone know the cleanup method for the determination of PAHs in plastics sample using GC-MS? Because we always suffer from a great matrix effect when dealing with this sample type.

Thanks and Best regards,

Patrick

[Schmitty]

What is your current sample extraction/preparation?

[varian]

You need to do an allumina & silica clean up