Vacuum-assisted headspace-solid phase microextraction for determining volatile free fatty acids and phenols. Investigations on the effect of pressure on competitive adsorption phenomena in a multicomponent system

1. Trujillo-Rodríguez, M.J.
2. Pino, V.
3. Psillakis, E.
4. Anderson, J.L.
5. Ayala, J.H.
6. Yiantzi, E.
7. Afonso, A.M.