Abstract
AbstractSilicate glasses of different compositions can be used as materials for ion sensitive electrodes. We have investigated glasses of the systems Na2O‐SiO2, Na2O‐RO‐SiO2 (R = Ba, Sr, Ca, Mg, Be, Cd, Zn), and Na2O‐R2O3‐SiO2 (R = Ga, Al, B) in a wide composition range to find relationships between the electrochemical properties (electrode sensitivities and selectivities) and the microstructures of the compact glasses and their hydrated layers. Various NMR spectroscopic techniques have been used (MAS, CP‐MAS, CRAMPS, SATRAS, REDOR) for probing the glass structure. Principal Component Analysis was found to be useful to test possible correlations between the composition, the glass structure parameters and electrode properties.
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