Cleaning sorbents used in matrix solid-phase dispersion with sonication: Application to the estimation of polycyclic aromatic hydrocarbons at ng/g levels in marine sediments

1. Moliner-Martínez, Y.
2. González-Fuenzalida, R.A.
3. Herráez-Hernández, R.
4. Campíns-Falcó, P.
5. Verdú-Andrés, J.