Comparison of solid phase extraction, saponification and gel permeation chromatography for the clean-up of microwave-assisted biological extracts in the analysis of polycyclic aromatic hydrocarbons

1. Navarro, P.
2. Cortazar, E.
3. Bartolomé, L.
4. Deusto, M.
5. Raposo, J.C.
6. Zuloaga, O.
7. Arana, G.
8. Etxebarria, N.