A simple way to constrain the stoichiometry of secondary smectites upon aqueous glass alteration |
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Institution: | 1. Faculty of Engineering and the Environment, Lanchester Building, University of Southampton, SO17 1BJ, UK;2. Electronics and Computer Science, Building 32, University of Southampton, SO17 1BJ, UK |
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Abstract: | The comparison of the stoichiometry of several nuclear waste glasses and basaltic glasses with their associated secondary smectites evidenced that Si/Al ratios of secondary smectites are nearly equal to the Si/Al ratios of parent glasses. This information may be very useful in constraining secondary smectites structure and stoichiometry in cases where other identification methods are difficult to apply. |
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