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Published online by Cambridge University Press: 06 March 2019
Natural zeolite 1010A, mostly clinoptilolite, was found to be stable to prolonged heat treatment up to 600° C. Stability to treatment by acids and bases is dependent on solution strength, treatment time and temperature. Variations in intensities of diffraction lines correlate well with changes in exchange capacities for ammonium ions and other observed physico-chemical changes.