HAL: hal-00107092, version 1

DOI: 10.1016/j.gca.2005.03.018

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Geochimica et Cosmochimica Acta 69/16 (2005) 4007-4034

Natural speciation of Mn, Ni and Zn at the micrometer scale in a clayey paddy soil using X-ray fluorescence, absorption, and diffraction.

Alain Manceau 1, Caterina Tommaseo 1, Sophie Rihs 2, Nicolas Geoffroy 1, Daniel Chateigner 3, Michel Schlegel 4, Delphine Tisserand 1, Matthew A. Marcus 5, Nobumichi Tamura 5, Zueng-Sang Chen 6

(2005)

The natural speciation od Mn (0,19 g/kg), Ni (46 mg/kg) and Zn (42 mg/kg) in the argillic horizon (120 cm depth, pH = 5,6) of an Ultisol from a paddy soil in nothern Taiwan was invistigated by advanced X-ray sunchrotron techniques.

1:	Laboratoire de géophysique interne et tectonophysique (LGIT)
	CNRS : UMR5559 – IRD – LCPC – OSUG – INSU – Université de Savoie – Université Joseph Fourier - Grenoble I
2:	Centre de géochimie de la surface (CGS)
	CNRS : UMR7517 – INSU – Université Louis Pasteur - Strasbourg I
3:	Laboratoire de cristallographie et sciences des matériaux (CRISMAT)
	CNRS : UMR6508 – Université de Caen – Ecole Nationale Supérieure d'Ingénieurs de Caen
4:	Service de Physique et de Chimie des Surfaces et Interfaces (SPCSI)
	CEA : DSM/IRAMIS
5:	Lawrence Berkeley National Laboratory, Advanced Light Source
	University of California, Berkeley
6:	Department of Agricultural Chemistry
	National Taiwan University

Subject

:

Sciences of the Universe/Earth Sciences/Geochemistry

Keyword(s): speciation – heavy metal – Mn – Ni – Zn – soil – x-ray diffraction – XRD – x-ray fluorescence – SXRF – EXAGS spectroscopy – P-EXAFS – paddy soil

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From: Pascale Talour <>

Submitted on: Tuesday, 17 October 2006 13:50:58

Updated on: Monday, 26 February 2007 15:00:06