Zn speciation in the organic horizon of a contaminated soil by micro-X-ray fluorescence, micro- and powder-EXAFS spectroscopy, isotopic dilution - Balesdent, Jerome.; Bouziri, Lamia.; Garnier, Jean-Marie.; Geoffroy, Nicolas.; Manceau, Alain.; Marcus, Matthew A.; Panfili, Ferderic.; Sarret, Geraldine.