Preliminary evaluation of SEM/EDS technique for the determination of colloid diffusion coefficient in granite matrix

Tsuey Lin Tsai; Yu Hung Shih; Liang Cheng Chen; Shih Chin Tsai; I. Hsien Lee; Chuan Pin Lee; Te Yen Su

doi:10.1007/s10967-019-06915-w

Preliminary evaluation of SEM/EDS technique for the determination of colloid diffusion coefficient in granite matrix

Tsuey Lin Tsai, Yu Hung Shih, Liang Cheng Chen, Shih Chin Tsai, I. Hsien Lee, Chuan Pin Lee, Te Yen Su

地球科學系

研究成果: Article › 同行評審

3 引文斯高帕斯（Scopus）

摘要

Colloids present high sorption for many solutes and are considered potential contaminant carriers in geological environments. Experimental quantitative data are required for an adequate description of colloid-mediated transport within natural media. In this paper, the line scan function of SEM/EDS was firstly applied to study colloid diffusion by depth profile in crystalline rock and the apparent diffusion coefficient was estimated to be ~ 6E−18 m²/s for 20 nm gold colloids. This technique can be applied to the prediction of colloid-facilitated radionuclide transport through water-saturated fractured porous rock for safety assessment of geological disposal for high-level radioactive waste.

原文	English
頁（從 - 到）	1803-1808
頁數	6
期刊	Journal of Radioanalytical and Nuclear Chemistry
卷	322
發行號	3
DOIs	https://doi.org/10.1007/s10967-019-06915-w
出版狀態	Published - 2019 12月 1

All Science Journal Classification (ASJC) codes

分析化學
核能與工程
放射學、核子醫學和影像學
污染
光譜
公共衛生、環境和職業健康
健康、毒理學和誘變

UN SDG

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10.1007/s10967-019-06915-w

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abstract = "Colloids present high sorption for many solutes and are considered potential contaminant carriers in geological environments. Experimental quantitative data are required for an adequate description of colloid-mediated transport within natural media. In this paper, the line scan function of SEM/EDS was firstly applied to study colloid diffusion by depth profile in crystalline rock and the apparent diffusion coefficient was estimated to be ~ 6E−18 m2/s for 20 nm gold colloids. This technique can be applied to the prediction of colloid-facilitated radionuclide transport through water-saturated fractured porous rock for safety assessment of geological disposal for high-level radioactive waste.",

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AU - Tsai, Tsuey Lin

AU - Shih, Yu Hung

AU - Chen, Liang Cheng

AU - Tsai, Shih Chin

AU - Lee, I. Hsien

AU - Lee, Chuan Pin

AU - Su, Te Yen

PY - 2019/12/1

Y1 - 2019/12/1

N2 - Colloids present high sorption for many solutes and are considered potential contaminant carriers in geological environments. Experimental quantitative data are required for an adequate description of colloid-mediated transport within natural media. In this paper, the line scan function of SEM/EDS was firstly applied to study colloid diffusion by depth profile in crystalline rock and the apparent diffusion coefficient was estimated to be ~ 6E−18 m2/s for 20 nm gold colloids. This technique can be applied to the prediction of colloid-facilitated radionuclide transport through water-saturated fractured porous rock for safety assessment of geological disposal for high-level radioactive waste.

AB - Colloids present high sorption for many solutes and are considered potential contaminant carriers in geological environments. Experimental quantitative data are required for an adequate description of colloid-mediated transport within natural media. In this paper, the line scan function of SEM/EDS was firstly applied to study colloid diffusion by depth profile in crystalline rock and the apparent diffusion coefficient was estimated to be ~ 6E−18 m2/s for 20 nm gold colloids. This technique can be applied to the prediction of colloid-facilitated radionuclide transport through water-saturated fractured porous rock for safety assessment of geological disposal for high-level radioactive waste.

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Preliminary evaluation of SEM/EDS technique for the determination of colloid diffusion coefficient in granite matrix

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UN SDG

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