Solid-phase microextraction for the determination of systemic and non- volatile pesticides in river water using gas chromatography with nitrogen- phosphorous and electron-capture detection

1. Sampedro, M.C.
2. Martín, O.
3. López De Armentia, C.
4. Goicolea, M.A.
5. Rodríguez, E.
6. Gómez De Balugera, Z.
7. Costa-Moreira, J.
8. Barrio, R.J.