Springer Online Journal Archives 1860-2000
Abstract The conductivity behavior of the natural single crystal zeolites ANA, BRE, CHA, HEU, PHI and STI was investigated in the temperature range between 60 °C and 110 °C. The effect of combustible gas components on the conductivity was also investigated using constant water vapor pressure conditions. In the temperature range studied, the conductivity is assumed to be mainly ionic and zeolitic water remains within the channel and cage system of the structures. All zeolites do have different frameworks, channel systems, channel sizes, channel cations and water contents. Dependent on the zeolite type, water partial pressures and combustible gas components cause different effects on the conductivity which are correlated with the geometry, charge distribution and occupation of the channels and cages of the respective zeolite single crystal.
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