Headspace vials containing the samples were placed into the vial rack of the automatic multi-purpose sampler (CombiPal- CTC Analytics) operating in the HS-SPME mode. Briefly, the vial is transported from the rack to the heater/ stirrer.
Headspace vials containing the samples were placed intothe vial rack of the automatic multi-purpose sampler (CombiPal-CTC Analytics) operating in the HS-SPME mode.Briefly, the vial is transported from the rack to the heater/stirrer.