酸処理によるイライトの変化

概要

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The change of particle size and disorder of illite by treatment with 4N hydrochloric acid was examined by X-ray diffraction method. The value of particle size of the original specimen is obtained as 89A, and it changes to 53A after treatment for 9hours. Disorder also seems to decrease with increasing duration of treatment. The change of activation energy and order of reaction was studied by the Freeman and Carroll's method. The value of activation energy of the untreated specimen is 30.7kcal/mole and it decreases to 22.9kcal/mole, when treated for 9hours. Order of reaction is 1 for all the specimens. The results obtained in this work seem to show that the mechanism of the acid dissolution is complicated complex of homogeneous and heterogeneous processes.
日本粘土学会の論文
1972-09-25