Oxygen-isotope fractionation between aluminium hydroxides phases and water at <60�C: results of decade-long synthesis experiments
Vitali, Frederic; Longstaffe, Fred; Bird, Michael; Caldwell, W
Description
Oxygen-isotope data were obtained for synthetic aluminum-hydroxide phases precipitated over 65-125 mo and have been compared to results from similar experiments conducted for 3-56 mo. The Al(OH)3 polymorphs, gibbsite, nordstrandite, and bayerite, were synthesized, but gibbsite was dominant in most samples, and commonly the only phase present. Using pure gibbsite samples, the following oxygen-isotope fractionation factors, α(gibbsite-H(2)O), were obtained: 1.0167 ± 0.0003 (9 ± 1°C), 1.0147 ±...[Show more]
Collections | ANU Research Publications |
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Date published: | 2000 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/89999 |
Source: | Clays and Clay Minerals |
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