Browsing ELibrary by Subject "RARE EARTH ELEMENT"
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Browsing ELibrary by Subject "RARE EARTH ELEMENT"
Now showing items 1-4 of 4
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(2006)Fragments in the size range from 40 ?m to several hundred ?m in the CI chondrites Orgueil, Ivuna, Alais, and Tonk show a wide range of chemical compositions with variations in major elements such as iron (10.4-42.4 wt% ...
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(2006)Rare earth elements (REE) concentrations of Archean and Proterozoic chemical sediments are commonly used as proxies to study secular trends in the geochemistry of Precambrian seawater. In addition, similarities in the REE ...
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(2002)The concentrations of all rare earth elements (REE: La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu) in silicate glass, apatite and zircon were measured by an ion microprobe method with a high mass resolving power ...
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(2006)The influence of solution complexation on the sorption of yttrium and the rare earth elements (YREEs) by amorphous ferric hydroxide was investigated at 25 °C over a range of pH (4.0-7.1) and carbonate concentrations (0 M ...
Now showing items 1-4 of 4