Browsing by Author "Gaillardet J."
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Browsing by Author "Gaillardet J."
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Lemarchand D.; Gaillardet J.; Gopel C.; Manhes G. (2002)An optimized procedure for the separation of boron from natural river samples and an improved mass spectrometry determination of boron isotopic ratio are presented. The chemical procedure, based on the use of the boron-specific ...
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Lemarchand E.; Schott J.; Gaillardet J. (2005)Boron isotopic fractionation during adsorption onto Ca-flocculated Aldrich humic acid (HA) has been investigated experimentally as a function of solution pH at 25°C and I = 0.15 M. Boron aqueous concentration and isotopic ...
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Gaillardet J.; Dupré B.; Allègre C.J. (1999)This study focuses on the major and trace element composition of suspended sediments transported by the world’s largest rivers. Its main purpose is to answer the following question: is the degree of weathering of modern ...
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Gaillardet J.; Louvat P.; Allègre C.J.; Dupré B. (1999)The main problem associated with the study of silicate weathering using river dissolved load is that the main control of solute chemistry is lithology and that all rivers are influenced by carbonate and evaporite weathering. ...
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Millot R.; Allegre C.J.; Gaillardet J.; Roy S. (2004)The lead isotopic composition of river sediments is reported in the present work for the Earth's major river basins, from old cratonic to young orogenic areas and from subarctic to tropical climates. Sediment samples from ...
Now showing items 1-5 of 5