Preparation of a polypyrrole electrode modified with a nickel phthalocyanine complex. Application to the determination of an antioxidant (propylgallate) in foods

1. De la Fuente, C.
2. Acuña, J.A.
3. Vázquez, M.D.
4. Tascón, M.L.
5. Gómez, M.I.
6. Batanero, P.S.