Extraction of sulfite for wastewater treatment and for analytical determination

1. Canales, J.P.
2. Arce, R.
3. Madariaga, C.
4. García, M.
5. Canales, C.
6. Vélez, J.
7. Arévalo, M.C.
8. Aguirre, M.J.
9. Romero, J.