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17. Synthesis of single phase gyrolite in the CaO-quartz-Na2O-H2O system.

Author

Różycka, Agnieszka, Kotwica, Łukasz, and Małolepszy, Jan

Subjects
*CHEMICAL synthesis, *QUARTZ crystals, *ION exchange (Chemistry), *WATER analysis, *LIME (Minerals), *CRYSTALLIZATION
Abstract

Abstract: Single phase gyrolite – cation exchanger, has been successfully synthesized in the CaO–SiO2–Na2O–H2O system. It is the first successive attempt, when the single phase gyrolite was synthesized using quartz as siliceous material. It has been found that the content of NaOH is crucial for gyrolite crystallization. The results indicate that optimum amount of NaOH is in narrow range between 0.75% and 1.00%. Decreasing or increasing its amount does not allow to obtain gyrolite in pure form and in final products unreacted quartz was observed. [Copyright &y& Elsevier]

Published
2014
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