N. S. Wigginton, K. L. Haus, and M. F. Hochella, Aquatic environmental nanoparticles, J. Environ. Monit, p.1306, 2007.

H. Guénet, M. Davranche, D. Vantelon, M. Pédrot, M. Al-sid-cheikh et al., Evidence of organic matter control on As oxidation by iron oxides in riparian wetlands, vol.439, pp.161-172, 2016.

E. Lotfi-kalahroodi, A. Pierson-wickman, H. Guenet, O. Rouxel, E. Ponzevera et al., Iron isotope fractionation in ironorganic matter associations: Experimental evidence using filtration and ultrafiltration, Geochim. Cosmochim. Acta, vol.250, pp.98-116, 2019.
URL : https://hal.archives-ouvertes.fr/insu-02008998

G. Ratié, D. Vantelon, E. Kalahroodi, I. Bihannic, A. C. Pierson-wickmann et al., Iron speciation at the riverbank surface in wetland and potential impact on the mobility of trace metals, Sci. Total Environ, vol.651, pp.443-455, 2019.

O. S. Pokrovsky, B. Dupré, and J. Schott, Fe-Al-organic Colloids Control of Trace Elements in Peat Soil Solutions: Results of Ultrafiltration and Dialysis, Aquat. Geochem, vol.11, pp.241-278, 2005.
URL : https://hal.archives-ouvertes.fr/hal-00316089

L. K. Thomasarrigo, C. Mikutta, J. Byrne, K. Barmettler, A. Kappler et al., Iron and Arsenic Speciation and Distribution in Organic Flocs from Streambeds of an Arsenic-Enriched Peatland, Environ. Sci. Technol, vol.48, pp.13218-13228, 2014.

O. S. Pokrovsky and J. Schott, Iron colloids/organic matter associated transport of major and trace elements in small boreal rivers and their estuaries, Chem. Geol, vol.190, pp.141-179, 2002.

C. Hirst, P. S. Andersson, S. Shaw, I. T. Burke, L. Kutscher et al., Characterisation of Fe-bearing particles and colloids in the, vol.213, pp.553-573, 2017.

B. Stolpe, L. Guo, A. M. Shiller, and G. R. Aiken, Abundance, size distributions and traceelement binding of organic and iron-rich nanocolloids in Alaskan rivers, as revealed by fieldflow fractionation and ICP-MS, Geochim. Cosmochim. Acta, vol.105, pp.221-239, 2013.

M. Pédrot, A. Dia, M. Davranche, M. Bouhnik-le-coz, O. Henin et al., Insights into colloid-mediated trace element release at the soil/water interface, J. Colloid Interface Sci, vol.325, pp.187-197, 2008.

C. Mikutta and R. Kretzschmar, Spectroscopic Evidence for Ternary Complex Formation between Arsenate and Ferric Iron Complexes of Humic Substances, Environ. Sci. Technol, vol.45, pp.9550-9557, 2011.

K. Ritter, G. Aiken, R. , J. F. Ranville, M. Bauer et al., Evidence for the Aquatic Binding of Arsenate by Natural Organic Matter?Suspended Fe(III), Environ. Sci. Technol, vol.40, pp.5380-5387, 2006.

H. Guénet, M. Davranche, D. Vantelon, J. Gigault, S. Prévost et al., Characterization of iron-organic matter nanoaggregate networks through a combination of SAXS/SANS and XAS analyses: impact on As binding, Environ. Sci. Nano, vol.4, pp.938-954, 2017.

D. Vantelon, M. Davranche, R. Marsac, C. L. Fontaine, H. Guénet et al., Iron speciation in iron-organic matter nanoaggregates: A kinetic approach coupling Quick-EXAFS and MCR-ALS chemometry, Environ. Sci. Nano, vol.6, pp.2641-2651, 2019.

T. Karlsson and P. Persson, Coordination chemistry and hydrolysis of Fe(III) in a peat humic acid studied by X-ray absorption spectroscopy, Geochim. Cosmochim. Acta, vol.74, pp.30-40, 2010.

C. Mikutta, X-ray absorption spectroscopy study on the effect of hydroxybenzoic acids on the formation and structure of ferrihydrite, Geochim. Cosmochim. Acta, vol.75, pp.5122-5139, 2011.

M. Pédrot, A. L. Boudec, M. Davranche, A. Dia, and O. Henin, How does organic matter constrain the nature, size and availability of Fe nanoparticles for biological reduction?, J. Colloid Interface Sci, vol.359, pp.75-85, 2011.

C. Chen, J. J. Dynes, J. Wang, and D. L. Sparks, Properties of Fe-Organic Matter Associations via Coprecipitation versus Adsorption, Environ. Sci. Technol, vol.48, pp.13751-13759, 2014.

T. Karlsson and P. Persson, Complexes with aquatic organic matter suppress hydrolysis and precipitation of Fe(III), Chem. Geol, pp.19-27, 2012.

L. K. Thomasarrigo, J. M. Byrne, A. Kappler, and R. Kretzschmar, Impact of Organic Matter on Iron(II)-Catalyzed Mineral Transformations in Ferrihydrite-Organic Matter Coprecipitates, Environ. Sci. Technol, vol.52, pp.12316-12326, 2018.

C. Mikutta, R. Mikutta, S. Bonneville, F. Wagner, A. Voegelin et al., Synthetic coprecipitates of exopolysaccharides and ferrihydrite. Part I: Characterization, Geochim. Cosmochim. Acta, vol.72, pp.1111-1127, 2008.

T. Karlsson, P. Persson, U. Skyllberg, C. Mörth, and R. Giesler, Characterization of Iron(III) in Organic Soils Using Extended X-ray Absorption Fine Structure Spectroscopy, Environ. Sci. Technol, vol.42, pp.5449-5454, 2008.

S. D. Herzog, L. Gentile, U. Olsson, P. Persson, and E. S. Kritzberg, Characterization of Iron and Organic Carbon Colloids in Boreal Rivers and Their Fate at High Salinity, J. Geophys. Res. Biogeosciences, vol.125, pp.1-14, 2020.

, Iron Oxides in the Laboratary, 2000.

J. W. Van-schaik, I. Persson, D. B. Kleja, and J. P. Gustafsson, EXAFS Study on the Reactions between Iron and Fulvic Acid in Acid Aqueous Solutions, Environ. Sci. Technol, vol.42, pp.2367-2373, 2008.

M. Baalousha, A. Manciulea, S. Cumberland, K. Kendall, and J. R. Lead, Aggregation and surface properties or iron oxide nanoparticles: influence of pH and natural organic matter, Environ. Toxicol. Chem, p.1875, 2008.

M. J. Pullin and S. E. Cabaniss, The effects of pH, ionic strength, and iron-fulvic acid interactions on the kinetics of non-photochemical iron transformations. I. Iron(II) oxidation and iron(III) colloid formation, Geochim. Cosmochim. Acta, vol.67, pp.4067-4077, 2003.

A. Iglesias, R. López, S. Fiol, J. M. Antelo, and F. Arce, Analysis of copper and calciumfulvic acid complexation and competition effects, Water Res, vol.37, pp.3749-3755, 2003.

A. Ouatmane, M. Hafidi, M. El-gharous, and J. C. Revel, Complexation of calcium ions by humic and fulvic acids, Analusis, vol.27, pp.428-431, 1999.

I. Christl, Ionic strength-and pH-dependence of calcium binding by terrestrial humic acids, Environ. Chem, vol.9, p.89, 2012.

A. G. Kalinichev and R. J. Kirkpatrick, Molecular dynamics simulation of cationic complexation with natural organic matter, Eur. J. Soil Sci, vol.58, pp.909-917, 2007.

J. Adusei-gyamfi, B. Ouddane, L. Rietveld, J. Cornard, and J. Criquet, Natural organic matter-cations complexation and its impact on water treatment: A critical review, Water Res, vol.160, pp.130-147, 2019.
URL : https://hal.archives-ouvertes.fr/hal-02316307

L. P. Weng, L. K. Koopal, T. Hiemstra, J. C. Meeussen, and W. H. Van-riemsdijk, Interactions of calcium and fulvic acid at the goethite-water interface, Geochim. Cosmochim. Acta, vol.69, pp.325-339, 2005.

N. Kloster and M. Avena, Interaction of humic acids with soil minerals: adsorption and surface aggregation induced by Ca2+, Environ. Chem, p.731, 2015.

D. Adhikari, T. Sowers, J. W. Stuckey, X. Wang, D. L. Sparks et al., Formation and redox reactivity of ferrihydrite-organic carbon-calcium co-precipitates, Geochim. Cosmochim. Acta, vol.244, pp.86-98, 2019.

C. C. Davis and M. Edwards, Role of Calcium in the Coagulation of NOM with Ferric Chloride, Environ. Sci. Technol, vol.51, pp.11652-11659, 2017.

A. Flank, G. Cauchon, P. Lagarde, S. Bac, M. Janousch et al., LUCIA, a microfocus soft XAS beamline, Nucl. Instrum. Methods Phys. Res. Sect. B Beam Interact. Mater. At, vol.246, pp.269-274, 2006.

D. Vantelon, N. Trcera, D. Roy, T. Moreno, D. Mailly et al., The LUCIA beamline at SOLEIL, J. Synchrotron Radiat, vol.23, pp.635-640, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01685234

V. Briois, C. L. Fontaine, S. Belin, L. Barthe, T. Moreno et al., ROCK: the new Quick-EXAFS beamline at SOLEIL, J. Phys. Conf. Ser, p.12149, 2016.

B. Ravel, M. Newville, and A. , HEPHAESTUS : data analysis for X-ray absorption spectroscopy using IFEFFIT, J. Synchrotron Radiat, vol.12, pp.537-541, 2005.

E. A. Klop, A. Schouten, P. Van-der-sluis, and A. L. Spek, Structure of calcium acetate monohydrate, Ca(C2H3O2)2.H2O, Acta Crystallogr. C, vol.40, pp.51-53, 1984.

B. Paluchowska, J. K. Maurin, and J. Leciejewicz, Carboxylate and Furan-Ring Oxygen Bonded to Calcium in Polymeric Calcium Furoate, Acta Crystallogr. C, vol.52, pp.347-351, 1996.

M. Newville, EXAFS analysis using FEFF and FEFFIT, J. Synchrotron Radiat, vol.8, pp.96-100, 2001.

J. J. Rehr, R. C. Albers, and S. I. Zabinsky, High-order multiple-scattering calculations of xray-absorption fine structure, Phys. Rev. Lett, vol.69, pp.3397-3400, 1992.

A. Radulescu, N. K. Szekely, and M. Appavou, KWS-2: Small angle scattering diffractometer, J. Large-Scale Res. Facil. JLSRF, issue.1, p.29, 2015.

V. Pipich and Z. Fu, KWS-3: Very small angle scattering diffractometer with focusing mirror, J. Large-Scale Res. Facil. JLSRF, 2015.

B. Hammouda, A new Guinier-Porod model, J. Appl. Crystallogr, vol.43, pp.716-719, 2010.

J. Dubochet and A. W. Mcdowall, Vitrification of pure water for electron microscopy, J. Microsc, vol.124, pp.3-4, 1981.

A. Sorrentino, J. Nicolás, R. Valcárcel, F. J. Chichón, M. Rosanes et al., MISTRAL: a transmission soft X-ray microscopy beamline for cryo nano-tomography of biological samples and magnetic domains imaging, J. Synchrotron Radiat, vol.22, pp.1112-1117, 2015.

J. Otón, C. O. Sorzano, R. Marabini, E. Pereiro, and J. M. Carazo, Measurement of the modulation transfer function of an X-ray microscope based on multiple Fourier orders analysis of a Siemens star, Opt. Express, p.9567, 2015.

M. Wilke, F. Farges, P. Petit, G. E. Brown, and F. Martin, Oxidation state and coordination of Fe in minerals: An Fe K-XANES spectroscopic study, Am. Mineral, vol.86, pp.714-730, 2001.

C. Chen and A. Thompson, Ferrous Iron Oxidation under Varying pO 2 Levels: The Effect of Fe(III)/Al(III) Oxide Minerals and Organic Matter, Environ. Sci. Technol, vol.52, pp.597-606, 2018.

A. Vilgé-ritter, J. Rose, A. Masion, J. Bottero, and J. Lainé, Chemistry and structure of aggregates formed with Fe-salts and natural organic matter, vol.147, pp.297-308, 1999.

F. M. Michel, L. Ehm, G. Liu, W. Q. Han, S. M. Antao et al., Similarities in 2-and 6-Line Ferrihydrite Based on Pair Distribution Function Analysis of X-ray Total Scattering, Chem. Mater, vol.19, pp.1489-1496, 2007.

E. Neubauer, W. D. Schenkeveld, K. L. Plathe, C. Rentenberger, F. Der-kammer et al., The influence of pH on iron speciation in podzol extracts: Iron complexes with natural organic matter, and iron mineral nanoparticles, Sci. Total Environ, pp.108-116, 2013.

H. P. Jarvie and S. M. King, Small-Angle Neutron Scattering Study of Natural Aquatic Nanocolloids, Environ. Sci. Technol, vol.41, pp.2868-2873, 2007.

S. M. King and H. P. Jarvie, Exploring How Organic Matter Controls Structural Transformations in Natural Aquatic Nanocolloidal Dispersions, Environ. Sci. Technol, vol.46, pp.6959-6967, 2012.

M. S. Diallo, C. J. Glinka, W. A. Goddard, and J. H. Johnson, Characterization of nanoparticles and colloids in aquatic systems 1. Small angle neutron scattering investigations of Suwannee River fulvic acid aggregates in aqueous solutions, J. Nanoparticle Res, vol.7, pp.435-448, 2005.

R. Osterberg and K. Mortensen, Fractal dimension of humic acids: A small angle neutron scattering study, Eur. Biophys. J, vol.21, pp.163-167, 1992.

R. Osterberg and K. Mortensen, The growth of fractal humic acids: Cluster correlation and gel formation, Radiat. Environ. Biophys, vol.33, pp.269-276, 1994.

V. Martin-diaconescu, M. Gennari, B. Gerey, E. Tsui, J. Kanady et al.,

C. Debeer, XAS as a Probe of Calcium Centers in Complex Systems, Inorg. Chem, vol.54, pp.1283-1292, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01650882

J. L. Fulton, S. M. Heald, Y. S. Badyal, and J. M. Simonson, Understanding the Effects of Concentration on the Solvation Structure of Ca 2+ in Aqueous Solution. I: The Perspective on Local Structure from EXAFS and XANES, J. Phys. Chem. A, vol.107, pp.4688-4696, 2003.

D. Graf, Crystallographic Tables for the Rhombohedral Carbonates, Am. Mineral, vol.46, pp.1283-1316, 1961.

T. D. Sowers, D. Adhikari, J. Wang, Y. Yang, and D. L. Sparks, Spatial Associations and Chemical Composition of Organic Carbon Sequestered in Fe, Ca, and Organic Carbon Ternary Systems, Environ. Sci. Technol, vol.52, pp.6936-6944, 2018.

E. Iskrenova-tchoukova, A. G. Kalinichev, and R. J. Kirkpatrick, Metal Cation Complexation with Natural Organic Matter in Aqueous Solutions: Molecular Dynamics Simulations and Potentials of Mean Force, Langmuir, vol.26, pp.15909-15919, 2010.
URL : https://hal.archives-ouvertes.fr/in2p3-00685584

R. Kretzschmar and T. Schäfer, Metal Retention and Transport on Colloidal Particles in the Environment, Elements, vol.1, pp.205-210, 2005.

J. D. Ritchie and E. M. Perdue, Proton-binding study of standard and reference fulvic acids, humic acids, and natural organic matter, Geochim. Cosmochim. Acta, vol.67, pp.85-96, 2003.

M. Auffan, J. Rose, O. Proux, D. Borschneck, A. Masion et al., Enhanced Adsorption of Arsenic onto Maghemites Nanoparticles: As(III) as a Probe of the Surface Structure and Heterogeneity, vol.24, pp.3215-3222, 2008.

O. S. Pokrovsky, L. S. Shirokova, S. N. Kirpotin, S. Audry, J. Viers et al., Effect of permafrost thawing on organic carbon and trace element colloidal speciation in the thermokarst lakes of western Siberia, Biogeosciences, vol.8, pp.565-583, 2011.