Effective diffusion coefficients (D_e) of acetic acid, butyric acid, and butanol in compacted montmorillonite were determined by through-diffusion experiments and compared with those of iodide and deuterated water. The difference in D_e values between acetic acid, butyric acid, and iodide could be attributed to the difference in their self-diffusion coefficient values, while this was not applicable to the D_e values determined for butanol and deuterated water. This result suggests that the D_e values of iodide can be converted to those of carboxylic acid and utilized for migration analysis of carbon-14 in the safety assessment of geological disposal.

中文翻译：

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醋酸、丁酸和丁醇在压实蒙脱石中的扩散

通过扩散实验确定了醋酸、丁酸和丁醇在压实蒙脱石中的有效扩散系数（D _e），并与碘化物和氘化水的有效扩散系数（D _e）进行了比较。在差值d _ë乙酸，丁酸之间的值，和碘化可以归因于在它们的自扩散系数值的差异，而这是不适用于d _Ë值丁醇和重水确定。这一结果表明，该d _Ë碘化物的值可以被转换为那些羧酸和碳-14在地质处置的安全性评估的迁移分析利用。