Iron mineral dynamics in redox-affected soils and sediments: Pushing the frontier toward in-situ studies

Competitive incorporation of Mn and Mg in vivianite at varying salinity and effects on crystal structure and morphology

Author(s): L. Joëlle Kubeneck, Laurel K. ThomasArrigo, Katherine A. Rothwell, Ralf Kaegi, Ruben Kretzschmar
Published in: Goldschmidt, 2023
Publisher: ETH Zürich

In-situ ferrihydrite transformation in redox affected environments across the globe: influence of geochemical conditions and coexisting minerals

Author(s): Notini L., Kubeneck L.J., ThomasArrigo L.K., Schulz K, Fantappiè G., Rothwell K.A., Barmettler K., Wisawapipat W., Grigg A.R.C., Kretzschmar R.:
Published in: Iron Biogeochemistry Workshop, 2023
Publisher: ETH Zürich

The redox reactivity of Fe-bearing clay minerals incubated in intertidal flat sediments

Author(s): Rothwell K. A., Lefebvre P., Grigg A.R., Gund, C., Barmettler K., Obradovic N., Sander M., Kretzschmar R.
Published in: Clay Minerals Group research in progress Meeting, 2023
Publisher: ETH Zürich

The role of minerals in trace element speciation and cycling in the environment

Author(s): Kretzschmar R.
Published in: ICOBTE, 2019
Publisher: ETH Zürich

Impact of Ferrihydrite Transformation on Incorporated Zinc in Field-like Conditions

Author(s): Lefebvre, P., Kretzschmar, R.
Published in: Swiss Geoscience Meeting, 2023
Publisher: ETH Zürich

Transformation of jarosite and Al-substituted jarosite in flooded acid sulfate soil

Author(s): Grigg A.R.C., ThomasArrigo L.K., Notini L., Schulz K., Kaegi R., Barmettler K., Wisawapipat, W., Kretzschmar, R.
Published in: Swiss Geoscience Meeting, 2023
Publisher: ETH Zürich

The redox reactivity of Fe-bearing clay minerals: From lab to field scales

Author(s): Rothwell K. A., Lefebvre P., Grigg A. R., Gund C., Barmettler K., Obradovic N., Sander M., Neumann A., Kretzschmar R.
Published in: Iron Biogeochemistry Workshop, 2023
Publisher: ETH Zürich

Mn2 and Mg2 incorporation in the ferrous phosphate mineral vivianite

Author(s): Kubeneck L.J., ThomasArrigo L.K., Rothwell K.A., Kaegi R., Kretzschmar R.
Published in: IBP PhD Congress, 2021
Publisher: ETH Zurich

Iron (oxyhydr-)oxide dynamics in a flooded rice paddy field and the effect of adsorbed phosphate

Author(s): Schulz, K., Wisawapipat, W., Barmettler, K., Grigg, A. R. C., Kubeneck, L. J., Notini, L., ThomasArrigo, L. K., and Kretzschmar, R.
Published in: Jahrestagung der Deutschen Bodenkundlichen Gesellschaft 2023, 2023
Publisher: ETH Zürich

The role of coexisting goethite in ferrihydrite transformation in redox-affected soils and sediments

Author(s): Notini L., Kubeneck L.J., ThomasArrigo L.K., Schulz K., Fantappiè G., Rothwell K. A., Wisawapipat W., Barmettler K., Kretzschmar R.
Published in: ACS National Meeting, 2022
Publisher: American Chemical Society

Octets: when to fit them and what information can we gain?

Author(s): Katherine Rothwell
Published in: Iron Mössbauer Applied to environmental Systems Workshop, 2024
Publisher: ETH Zürich

Carbon dynamics in Icelandic wetlands: the role of redox-active minerals

Author(s): Laurel ThomasArrigo
Published in: Swiss Geoscience Meeting, 2024
Publisher: ETH Zürich

Observing in-situ transformations of ferrihydrite in redox-active paddy soil microcosms

Author(s): Grigg A.R.C., Schulz K., Rothwell K.A., ThomasArrigo L.K., Kretzschmar R.
Published in: 18th Swiss Geoscience Meeting, 2020
Publisher: Swiss Academy of Science (SCNAT); ETH Zurich

Ferrihydrite transformation in flooded rice paddy soils with diffusion limited Fe(II) supply

Author(s): Grigg A.R.C.
Published in: IBP PhD Congress, 2021
Publisher: ETH Zurich

Siderite Oxidation in the Presence of Organic Ligands

Author(s): Katherine Rothwell, Ruben Kretzschmar
Published in: EGU General Assembly, 2020
Publisher: European Geosciences Union
DOI: 10.5194/egusphere-egu2020-16894

In-situ iron oxyhydroxide transformations induced by redox fluctuations in a rice paddy soil

Author(s): Schulz K., Grigg A.R.C., Notini L., Wisawapipat W., Barmettler K., ThomasArrigo L.K., Kretzschmar R.
Published in: Geochemistry of the Earth Surface GES12, 2022
Publisher: ETH Zürich
DOI: 10.3929/ethz-b-000577707

The role of coexisting goethite in ferrihydrite transformation in redox-affected soils and sediments. A new approach for investigating iron mineral transformations in soils and sediments.

Author(s): Notini L.
Published in: Department of Civil and Environmental Engineering, University of Iowa, 2022
Publisher: ETH Zurich

Stabilization of ferrihydrite and lepidocrocite by silica during Fe(II)-catalyzed transformation and the impacts on mineral transformation products

Author(s): Schulz K., ThomasArrigo L.K., Kaegi R., Kretzschmar R.
Published in: Goldschmidt, 2021
Publisher: ETH Zürich
DOI: 10.3929/ethz-b-000520014

Stability of Al-substituted jarosite in the presence of Fe(II)

Author(s): Andrew Grigg
Published in: EGU General Assembly, 2022
Publisher: ETH Zürich

Investigating the effects of phosphorus speciation during Fe(III) oxidative precipitation

Author(s): Martinengo, S., Voegelin, A., and Kretzschmar, R.
Published in: Swiss Geoscience Meeting, 2024
Publisher: ETH Zürich

The geochemical behavior of zinc is decoupled from iron during the mineral transformation of Zn-bearing ferrihydrite in reducing sediments

Author(s): Lefebvre, P., Grigg, A.R.C., Kretzschmar, R.
Published in: Swiss Geoscience Meeting, 2024
Publisher: ETH Zürich

In-situ iron oxyhydroxide transformations induced by redox fluctuations in a rice paddy soil – examining the effect of direct contact with the soil matrix

Author(s): Schulz K., Grigg A.R.C., Notini L., ThomasArrigo L.K., Wisawapipat W., Barmettler K., Kretzschmar R.
Published in: DGB Tagung, 2022
Publisher: ETH Zürich

Interactions between jarosite and the aluminium cycle

Author(s): Grigg A.R.C.
Published in: IBP PhD Congress, 2022
Publisher: ETH Zurich

Ferrihydrite transformation in flooded paddy soil microcosms

Author(s): Grigg A.R.C., Schulz K., Rothwell K.A., Kaegi R., ThomasArrigo L.K., Kretzschmar R.
Published in: Goldschmidt, 2021
Publisher: ETH Zürich
DOI: 10.7185/gold2021.7286

Mineral protection of soil organic carbon in Icelandic wetland soils

Author(s): ThomasArrigo L.K.
Published in: Iron Biogeochemistry Workshop, 2023
Publisher: ETH Zurich

Stability and transformation of (Al-)jarosite in acid-sulfate paddy soils: A field study

Author(s): Grigg Andrew R.C., Schulz K., Barmettler K., Wisawapipat W., Notini L, ThomasArrigo L. K., Kretzschmar R.
Published in: Goldschmidt Confernce, 2023
Publisher: ETH Zürich

Studying soil iron mineral transformations in-situ: Research needs and new experimental approach

Author(s): Kretzschmar R., Schulz K., Grigg A.R.C., Kubeneck, L.J., Notini L., Rothwell K.A., ThomasArrigo L.K.:
Published in: Iron Biogeochemistry Workshop, 2023
Publisher: ETH Zürich

Competitive divalent cation incorporation in the ferrous phosphate mineral vivianite

Author(s): L. Joëlle Kubeneck, Laurel K. ThomasArrigo, Katherine A. Rothwell, Ruben Kretzschmar
Published in: EGU General Assembly, 2020
Publisher: European Geosciences Union
DOI: 10.5194/egusphere-egu2020-20474

Effect of Mn and Mg substitution on vivianite transformation under sulfidic conditions

Author(s): Kubeneck L.J.
Published in: IBP PhD Congress, 2023
Publisher: ETH Zürich

The redox reactivity of Fe-bearing clay minerals and formation of reactive precipitates: A field study

Author(s): Rothwell K. A., Lefebvre P., Grigg A. R., Gund C., Barmettler K., Obradovic N., Kretzschmar, R.
Published in: Goldschmidt Confernce, 2023
Publisher: ETH Zürich

Transformation of Ferrihydrite and Goethite in Heterogeneous Systems

Author(s): Luiza Notini, Laurel ThomasArrigo, Ruben Kretzschmar
Published in: 18th Swiss Geoscience Meeting, 2020
Publisher: Swiss Geoscience Meeting

Role of Coexisting Goethite in Ferrihydrite Transformation: Field Study

Author(s): Notini L., Kubeneck L.J., ThomasArrigo L.K., Schulz K, Fantappiè G. Rothwell K.A., Barmettler K., Wisawapipat W., Grigg A.R.C., Kretzschmar R.
Published in: Swiss Geoscience Meeting, 2023
Publisher: ETH Zürich

Unravelling vivianite formation in-situ in intertidal sediments: The role of P-adsorbed ferrihydrite as a precursor

Author(s): Kubeneck L.J., Notini L., Rothwell K.A., ThomasArrigo L.K., Schulz K., Fantappiè G., Huthwelker T., Kretzschmar R.
Published in: Goldschmidt Confernce, 2023
Publisher: ETH Zürich

Some tools to broaden the application of Fe Mössbauer spectroscopy in environmental science

Author(s): Andrew Grigg
Published in: Iron Mössbauer Applied to Environmental Systems Workshop, 2024
Publisher: ETH Zürich

Iron mineral transformations in Earth’s surface environments: A novel approach for in-situ studies

Author(s): Kubeneck L.J., Notini L., Schulz K., Grigg A.R.C., Fantappiè G., Rothwell K.A., Barmettler K., ThomasArrigo L.K., Kretzschmar R.
Published in: Geochemistry of the Earth Surface GES12, 2022
Publisher: ETH Zürich

Stability of jarosite in an acid sulfate soil from Central Thailand

Author(s): Grigg A.R.C.
Published in: IBP PhD Congress, 2022
Publisher: ETH Zurich

Co-existing iron minerals influence ferrihydrite Fe(II)-catalyzed transformation pathways

Author(s): Notini, L., ThomasArrigo L.K., Kretzschmar R
Published in: ACS National Meeting, 2021
Publisher: American Chemical Society

Effect of structural Al on Fe(II)-catalysed jarosite transformation

Author(s): Grigg Andrew, Notini Luiza, Kaegi Ralf, ThomasArrigo Laurel, Kretzschmar Ruben
Published in: Geochemistry of the Earth Surface GES12, 2022
Publisher: ETH Zürich
DOI: 10.5194/egusphere-egu22-6209

Applying iron geochemistry to the challenges of sustainable development

Author(s): Notini L.
Published in: MIT CEE Rising Stars Workshop, 2021
Publisher: ETH Zurich

How Does Adsorbed Phosphate Impact Iron Oxyhydroxide Transformations in Paddy Soils?

Author(s): Schulz K., Grigg A.R.C., Kubeneck L.J., Notini L., Wisawapipat W., Barmettler K., ThomasArrigo L.K., Kretzschmar R.
Published in: IBP PhD Congress, 2023
Publisher: ETH Zürich

Unraveling vivianite formation and transformation processes in intertidal sediments – an in-situ approach

Author(s): Kubeneck L.J.
Published in: Department of Microbiology - invited oral presentation, 2023
Publisher: ETH Zürich

Changes in speciation and spatial distribution of iron and zinc during mineral transformation of Zn-bearing ferrihydrite in sediments

Author(s): Lefebvre, P., Grigg, A.R.C., Kretzschmar, R.
Published in: Goldschmidt conference, 2024
Publisher: ETH Zürich

Effect of competitive incorporation of Mn2+ and Mg2+ at varying salinity on the crystal structure of the ferrous phosphate mineral vivianite

Author(s): Kubeneck L.J., ThomasArrigo L.K., Rothwell K.A., Kaegi R., Kretzschmar R.
Published in: ACS National Meeting, 2022
Publisher: ETH Zürich

Investigating iron mineral transformations in soils and sediments using 57Fe-labeled minerals and 57Fe Mössbauer spectroscopy

Author(s): Notini L., Schulz K., Kubeneck L.J., Grigg A.R.C., Rothwell K.A., Fantappiè G., ThomasArrigo L.K., Kretzschmar R.
Published in: Goldschmidt Confernce, 2023
Publisher: ETH Zürich

Stability of jarosite in acid sulfate soil from Central Thailand

Author(s): Grigg Andrew R.C., ThomasArrigo L.K., Notini L., Schulz K., Kaegi R., Barmettler K., Wisawapipat W., Kretzschmar R.
Published in: 9th. Int. Acid Sulfate Soils Conference, 2023
Publisher: ETH Zürich

How does silica affect Fe(II)-catalysed transformation of ferrihydrite and lepidocrocite?

Author(s): Katrin Schulz, Laurel K. ThomasArrigo, Katherine A. Rothwell, Ruben Kretzschmar
Published in: EGU General Assembly, 2020
Publisher: European Geosciences Union
DOI: 10.5194/egusphere-egu2020-22500

Iron Oxyhydroxide Transformation in a Flooded Rice Paddy Field and the Effect of Adsorbed Phosphate

Author(s): Katrin Schulz, Worachart Wisawapipat, Kurt Barmettler, Andrew R. C. Grigg, L. Joëlle Kubeneck, Luiza Notini, Laurel K ThomasArrigo, Ruben Kretzschmar
Published in: Environmental Science & Technology, Issue 58, 2024, Page(s) 10601-10610, ISSN 0013-936X
Publisher: American Chemical Society
DOI: 10.1021/acs.est.4c01519

Stabilization of Ferrihydrite and Lepidocrocite by Silicate during Fe(II)-Catalyzed Mineral Transformation: Impact on Particle Morphology and Silicate Distribution

Author(s): Katrin Schulz, Laurel K. ThomasArrigo, Ralf Kaegi, Ruben Kretzschmar
Published in: Environmental Science & Technology, Issue 56/9, 2022, Page(s) 5929–5938, ISSN 1520-5851
Publisher: American Chemical Society
DOI: 10.1021/acs.est.1c08789

Geochemical Decoupling of Iron and Zinc during Transformation of Zn-Bearing Ferrihydrite in Reducing Sediments

Author(s): Pierre Lefebvre, Andrew R.C. Grigg, Ruben Kretzschmar
Published in: Environmental Science & Technology, Issue Vol 58/Issue 45, 2024, Page(s) 20224-20234, ISSN 0002-7863
Publisher: American Chemical Society
DOI: 10.1021/acs.est.4c09261

Low molecular weight organic acids stabilise siderite against oxidation and influence the composition of iron (oxyhydr)oxide oxidation products

Author(s): Katherine A. Rothwell, Laurel K. ThomasArrigo, Ralf Kaegi, Ruben Kretzschmar
Published in: Environmental Science: Processes & Impacts, Issue 27, 2025, Page(s) 133-145, ISSN 2050-7887
Publisher: Royal Society of Chemistry
DOI: 10.1039/d4em00363b

Structural Effects of Aluminum and Iron Occupancy in Minerals of the Jarosite-Alunite Solid Solution

Author(s): Andrew R. C. Grigg, Luiza Notini, Ralf Kaegi, Laurel K. ThomasArrigo, Ruben Kretzschmar
Published in: ACS Earth and Space Chemistry, Issue 8, 2024, Page(s) 194-206, ISSN 2472-3452
Publisher: American Chemical Society
DOI: 10.1021/acsearthspacechem.3c00174

Organic matter influences transformation products of ferrihydrite exposed to sulfide

Author(s): Laurel K. ThomasArrigo, Sylvain Bouchet, Ralf Kaegi, Ruben Kretzschmar
Published in: Environmental Science: Nano, Issue 7/11, 2020, Page(s) 3405-3418, ISSN 2051-8153
Publisher: Royal Society of Chemistry
DOI: 10.1039/d0en00398k

Contact with soil impacts ferrihydrite and lepidocrocite transformations during redox cycling in a paddy soil

Author(s): Katrin Schulz, Luiza Notini, Andrew R. C. Grigg, L. Joëlle Kubeneck, Worachart Wisawapipat, Laurel K. ThomasArrigo, Ruben Kretzschmar
Published in: Environmental Science: Processes & Impacts, Issue 25, 2024, Page(s) 1945-1961, ISSN 2050-7887
Publisher: Royal Society of Chemistry
DOI: 10.1039/d3em00314k

Transformation of vivianite in intertidal sediments with contrasting sulfide conditions

Author(s): L. Joëlle Kubeneck, Luiza Notini, Katherine A. Rothwell, Giulia Fantappiè, Thomas Huthwelker, Laurel K. ThomasArrigo, Ruben Kretzschmar
Published in: Geochimica et Cosmochimica Acta, Issue 370, 2024, Page(s) 173-187, ISSN 0016-7037
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.gca.2024.01.020

Mercury Reduction by Nanoparticulate Vivianite

Author(s): Marjorie Etique, Sylvain Bouchet, James M. Byrne, Laurel K. ThomasArrigo, Ralf Kaegi, Ruben Kretzschmar
Published in: Environmental Science & Technology, Issue 55/5, 2021, Page(s) 3399-3407, ISSN 0013-936X
Publisher: American Chemical Society
DOI: 10.1021/acs.est.0c05203

Aluminium substitution affects jarosite transformation to iron oxyhydroxides in the presence of aqueous Fe(II)

Author(s): Andrew R.C. Grigg, Luiza Notini, Ralf Kaegi, Laurel K. ThomasArrigo, Ruben Kretzschmar
Published in: Geochimica et Cosmochimica Acta, Issue 374, 2024, Page(s) 72-84, ISSN 0016-7037
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.gca.2024.04.008

Iron speciation changes and mobilization of colloids during redox cycling in Fe-rich, Icelandic peat soils

Author(s): Laurel K. ThomasArrigo, Ruben Kretzschmar
Published in: Geoderma, Issue Vol. 428, 2022, Page(s) 116217, ISSN 1872-6259
Publisher: Elsevier
DOI: 10.1016/j.geoderma.2022.116217

Mineral characterization and composition of Fe-rich flocs from wetlands of Iceland: Implications for Fe, C and trace element export

Author(s): Laurel K. ThomasArrigo, Luiza Notini, Jeremiah Shuster, Tabea Nydegger, Sophie Vontobel, Stefan Fischer, Andreas Kappler, Ruben Kretzschmar
Published in: Science of the Total Environment, Issue in press, 2021, ISSN 0048-9697
Publisher: Elsevier BV
DOI: 10.1016/j.scitotenv.2021.151567

A new approach for investigating iron mineral transformations in soils and sediments using 57Fe-labeled minerals and 57Fe Mössbauer spectroscopy

Author(s): Luiza Notini, Katrin Schulz, L. Joëlle Kubeneck, Andrew R. C. Grigg, Katherine A. Rothwell, Giulia Fantappiè, Laurel K. ThomasArrigo, Ruben Kretzschmar
Published in: Environmental Science & Technology, Issue 57 (27), 2023, Page(s) 10008-10018, ISSN 0013-936X
Publisher: American Chemical Society
DOI: 10.3929/ethz-b-000621874

Competitive incorporation of Mn and Mg in vivianite at varying salinity and effects on crystal structure and morphology

Author(s): L. Joëlle Kubeneck, Laurel K. ThomasArrigo, Katherine A. Rothwell, Ralf Kaegi, Ruben Kretzschmar
Published in: Geochimica et Cosmochimica Acta, Issue 346, 2023, Page(s) 231-244, ISSN 1872-9533
Publisher: Elsevier
DOI: 10.1016/j.gca.2023.01.029

In Situ Vivianite Formation in Intertidal Sediments: Ferrihydrite-Adsorbed P Triggers Vivianite Formation

Author(s): L. Joëlle Kubeneck, Katherine A. Rothwell, Luiza Notini, Laurel K. ThomasArrigo, Katrin Schulz, Giulia Fantappiè, Prachi Joshi, Thomas Huthwelker, Ruben Kretzschmar
Published in: Environmental Science & Technology, Issue 59, 2025, Page(s) 523-532, ISSN 0013-936X
Publisher: American Chemical Society
DOI: 10.1021/acs.est.4c10710

Emerging investigator series: Coprecipitation with glucuronic acid limits reductive dissolution and transformation of ferrihydrite in an anoxic soil

Author(s): Laurel K. ThomasArrigo; Luiza Notini; Sophie Vontobel; Sylvain Bouchet; Tabea Nydegger; Ruben Kretzschmar
Published in: Environmental Science: Processes & Impacts, Issue 41, 2024, Page(s) 1489-1502, ISSN 2046-2069
Publisher: Royal Society of Chemistry
DOI: 10.3929/ethz-b-000686775

Coprecipitation with Ferrihydrite Inhibits Mineralization of Glucuronic Acid in Anoxic Soils

Author(s): Laurel K. ThomasArrigo, Sophie Vontobel, Luiza Notini, Tabea Nydegger
Published in: Environmental Science & Technology, Issue 57, 2023, Page(s) 9204-9213, ISSN 0013-936X
Publisher: American Chemical Society
DOI: 10.1021/acs.est.3c01336

Ferrihydrite transformations in flooded paddy soils: rates, pathways, and product spatial distributions

Author(s): Andrew R. C. Grigg, Laurel K. ThomasArrigo, Katrin Schulz, Katherine A. Rothwell, Ralf Kaegi, Ruben Kretzschmar
Published in: Environmental Science: Processes and Impacts, Issue 24, 2022, Page(s) 1867, ISSN 2050-7895
Publisher: Royal Society of Chemistry
DOI: 10.1039/d2em00290f

Coexisting goethite promotes Fe(II)-catalyzed transformation of ferrihydrite to goethite

Author(s): Luiza Notini, Laurel K. ThomasArrigo, Ralf Kaegi, Ruben Kretzschmar
Published in: Environmental Science & Technology, Issue 56/17, 2022, Page(s) 12723–12733, ISSN 1520-5851
Publisher: American Chemical Society
DOI: 10.1021/acs.est.2c03925

Stability and transformation of jarosite and Al-substituted jarosite in an acid sulfate paddy soil under laboratory and field conditions

Author(s): Andrew R.C. Grigg, Worachart Wisawapipat, Kurt Barmettler, Katrin Schulz, Luiza Notini, Laurel K. ThomasArrigo, Ruben Kretzschmar
Published in: Geochimica et Cosmochimica Acta, Issue 382, 2024, Page(s) 128-141, ISSN 0016-7037
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.gca.2024.07.026

How organic matter influences Fe mineral transformations

Author(s): Kretzschmar R.
Published in: Symposium, University of Tübingen, 2019
Publisher: ETH Zürich

Coupled iron and carbon dynamics in Icelandic wetland soils

Author(s): Thomas Arrigo L.K.
Published in: Environmental Engineering Seminar Series, 2023
Publisher: ETH Zürich

Mineral transformations of ferrihydrite and lepidocrocite in suspension and in paddy soil: A closer look at the effects of silicate, phosphate, and the soil matrix

Author(s): Schulz, Katrin
Published in: Thesis/Dissertation, 2023
Publisher: ETH Zürich
DOI: 10.3929/ethz-b-000640921

Vivianite formation and transformation processes in intertidal sediments and the influence of isomorphic substitution

Author(s): Kubeneck, Luisa Joëlle
Published in: Thesis/Dissertation, 2024
Publisher: ETH
DOI: 10.3929/ethz-b-000663192

Transformation of jarosite and iron oxyhydroxides in acid sulfate paddy soils

Author(s): Grigg, Andrew R.C.
Published in: Thesis/Dissertation, 2023
Publisher: ETH Zürich
DOI: 10.3929/ethz-b-000648810

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