17aC08 スメクタイトの超微速溶解"その場"測定(結晶評価・その場観察(2),第35回結晶成長国内会議)

概要

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Using a newly developed phase-shift interferometer, ultra slow dissolution of smectite nanosheet was measured in NaCl-NaOH solutions (pH=7-14) at 22℃. Compared with previous rate data obtained from conventional solution analysis, our observed dissolution rates were quite fast but the pH dependency was consistent. Inhibition by adsorbed molecule such as silica was also recognized. Principle model which can be extended from the nano- to large-scales is required to predict the natural dissolution processes.
2005-08-17