IONENEMPFINDLICHE VORRICHTUNG

A device sensitive to ions is disclosed together with the relevant preparation processes, which contains a polymeric organic matrix, an ionophore, a device of EO or CHEMFET type containing on its surface silicon oxide sticking to said polymeric organic matrix by means of a polysiloxanic matrix, characterized in that the polymeric organic matrix is a linear polymethacryloyl chloride and that the polysiloxanic matrix is selected from the functional organosilanes of general formula wherein: R, R, R, which are the same, or different from one another, are alkyl or alkoxy radicals containing from 1 to 10 carbon atoms, R is an alkyl or aryl radical containing from 1 to 10 carbon atoms, Y can be either -NH2 or -NHCH2CH2NH2 or from the functional organosilanes of general formula wherein: R1, R2, either equal to, or different from, one another, are Cl, Br, CH3, NO2, NH2 or H, R, R, R, which are the same, or different from one another, are alkyl or alkoxy radicals containing from 1 to 10 carbon atoms, R can be an alkyl, aminoalkyl, aminoalkylaryl, alkylaryl radical containing from 1 to 10 carbon atoms.