The Compilation of Geochemical Data Bases for Performance Assessment of a Planned Repository in the Opalinus Clay in Northern Switzerland
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ABSTRACTChemical retention of radionuclides in the near field and in the host rock is an important safety pillar within the Swiss concept for a radioactive waste repository. Geochemical databases for solubility limits in cement and bentonite porewater and sorption / diffusion in cement, compacted bentonite and Opalinus Clay were compiled for use in safety assessment calculations. The databases are presented for selected safety-relevant radioelements. In contrast to earlier safety assessment studies Kd values were not truncated at 5 m3 kg−1 and values well above 10 m3 kg−1 (e.g. for actinides) are reported.
2012 ◽
Vol 49
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pp. 31-44
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2006 ◽
Vol 21
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pp. 1539-1550
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2016 ◽
Vol 94
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pp. 848-855
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1996 ◽
Vol 11
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pp. 245-248
2018 ◽
Vol 204
(2)
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pp. 213-226
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