Characterization of an ion-selective polypyrrole coating and application to the joint determination of potassium, sodium and ammonium by electrochemical impedance spectroscopy and partial least squares method

1. Cortina-Puig, M.
2. Muñoz-Berbel, X.
3. del Valle, M.
4. Muñoz, F.J.
5. Alonso-Lomillo, M.A.