Výsledky vyhledávání - "Udo Schwertmann"

Autor: Udo Schwertmann, Heike Knicker, F. Wagner

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname

7 pages, 6 figures, 1 table, 18 references.
Humic–iron oxide associations are believed to exist in various surface environments, such as soils and surface waters, and may add substantially to the stability of organic matter under oxidizing sur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3da53c842637e6b89c5fa244458e7d84
https://doi.org/10.2136/sssaj2004.0274

Zobrazit plný text záznamu

Long-term in vitro transformation of 2-line ferrihydrite to goethite/hematite at 4, 10, 15 and 25°C

Autor: H.-H. Becher, Helge Stanjek, Udo Schwertmann

Publikováno v: Clay Minerals. 39:433-438

2-line ferrihydrite stored in water at ambient temperatures from 4 to 25°C and at ten different pH values between 2.5 and 12 for up to 10–12 y transformed to both goethite and hematite at all temperatures and pH values except at pH 12 where only g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::09340b6b76967849c02bb345b81edeb1
https://doi.org/10.1180/0009855043940145

Zobrazit plný text záznamu

Formation and Properties of a Continuous Crystallinity Series of Synthetic Ferrihydrites (2- To 6-line) and their Relation to FeOOH Forms

Autor: Udo Schwertmann, Andreas Kyek, Josef Friedl

Publikováno v: Clays and Clay Minerals. 52:221-226

Ferrihydrite is a poorly crystalline Fe oxide of which 2-(XRD)line and 6-line varieties are commonly used in experiments, although species with intermediate numbers of peaks have been found in nature. To simulate nature, we synthesized two continuous

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::758e4ca376570d9ac19585de44d7ba5b
https://doi.org/10.1346/ccmn.2004.0520208

Zobrazit plný text záznamu

Mineralogy of a burned soil compared with four anomalously red Quaternary deposits in Denmark

Autor: Udo Schwertmann, Per Nørnberg, Haraldur P. Gunnlaugsson, T. Andersen, Helge Stanjek

Publikováno v: Nørnberg, P, Schwertmann, U, Stanjek, H, Andersen, T & Gunnlaugsson, H P 2004, ' Mineralogy of a burned soil compared with four anomalously red Quaternary deposits in Denmark ', Clay Minerals, vol. 39, pp. 85 .

The Fe oxide mineralogy behind the reddish colour (up to Munsell 10R) of a soil and four Quaternary surface deposits from central Jutland (Denmark) was investigated by XRD, TEM, Mossbauer spectroscopy and bulk saturation magnetization. The red soil (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::caf9cc2feef1146fd1f272d8870af187
https://doi.org/10.1180/0009855043910122

Zobrazit plný text záznamu

Thermodynamics of iron oxides: Part III. Enthalpies of formation and stability of ferrihydrite (∼Fe(OH)3), schwertmannite (∼FeO(OH)3/4(SO4)1/8), and ε-Fe2O3

Autor: J. Majzlan, Udo Schwertmann, Alexandra Navrotsky

Publikováno v: Geochimica et Cosmochimica Acta. 68:1049-1059

Enthalpies of formation of ferrihydrite and schwertmannite were measured by acid solution calorimetry in 5 N HCl at 298 K. The published thermodynamic data for these two phases and e-Fe2O3 were evaluated, and the best thermodynamic data for the studi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::747c66b66f01ea2e67982fd4cb123083
https://doi.org/10.1016/s0016-7037(03)00371-5

Zobrazit plný text záznamu

Crystal Morphology and Size

Autor: Udo Schwertmann, R. M. Cornell

Publikováno v: The Iron Oxides: Structure, Properties, Reactions, Occurences and Uses, Second Edition

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::378d2e4e6d991070ae5ce4898d6e1924
https://doi.org/10.1002/3527602097.ch4

Zobrazit plný text záznamu

Products of Iron Metal Corrosion

Autor: Udo Schwertmann, R. M. Cornell

Publikováno v: The Iron Oxides: Structure, Properties, Reactions, Occurences and Uses, Second Edition

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::376901f279c15088e29a7e385717ed09
https://doi.org/10.1002/3527602097.ch18

Zobrazit plný text záznamu

Introduction to the Iron Oxides

Autor: R. M. Cornell, Udo Schwertmann

Publikováno v: The Iron Oxides: Structure, Properties, Reactions, Occurences and Uses, Second Edition

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c161ebe7c94eb2593d27efc253f84b1
https://doi.org/10.1002/3527602097.ch1

Zobrazit plný text záznamu

Adsorption of Ions and Molecules

Autor: Udo Schwertmann, R. M. Cornell

Publikováno v: The Iron Oxides: Structure, Properties, Reactions, Occurences and Uses, Second Edition

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::61abe7a816cae67a72d8e11cf0cb3e10
https://doi.org/10.1002/3527602097.ch11

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání