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Speciation of Mg in biogenic calcium carbonates
2009
Journal of Physics, Conference Series
A selection of marine biominerals, mostly aragonitic coral skeletons were probed at the Mg K-edge by XANES spectroscopy coupled to μXRF methods and compared to an extensive set of relevant model compounds (silicates, carbonates, oxides and organic). Extensive methodologies are required to better describe the speciation of Mg in those minerals. A combination of ab-initio XANES calculations for defective clusters around Mg in aragonite together with wavelets analyzes of the XANES region are
doi:10.1088/1742-6596/190/1/012175
fatcat:ujklcfthhnauxfac3hrcnngrf4