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  Formation of hydroxysulphate and hydroxycarbonate green rusts in the presence of zinc using time-resolved in situ small and wide angle X-ray scattering

Ahmed, I. A. M., Shaw, S., Benning, L. G. (2008): Formation of hydroxysulphate and hydroxycarbonate green rusts in the presence of zinc using time-resolved in situ small and wide angle X-ray scattering. - Mineralogical Magazine, 72, 1, 159-162.
https://doi.org/10.1180/minmag.2008.072.1.159

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Item Permalink: https://gfzpublic.gfz.de/pubman/item/item_806895 Version Permalink: https://gfzpublic.gfz.de/pubman/item/item_806895_2
Genre: Journal Article

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 Creators:
Ahmed, I. A. M.1, Author
Shaw, S.1, Author
Benning, Liane G.2, Author           
Affiliations:
1External Organizations, ou_persistent22              
20 Pre-GFZ, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146023              

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Free keywords: reduction spectroscopy mossbauer Mineralogy
 Abstract: The formation and transformation of hydroxysulphate (GRSO(4)) and hydroxycarbonate (GRCO(3)) Green Rust, were studied ill situ using synchrotron-based time-resolved small and wide angle X-ray scattering. The time-resolved data revealed, for the first time, the pH dependent transition from poorly-ordered schwertmannite (pH <6.5) into GRSO(4) (pH similar to 6.8) followed by GRCO(3) (at PH similar to 9.6). These data also showed that the addition of Zn to the starting sulphate Fe2+/Fe3+ solution resulted in a change in size of the GR unit-cell due to substitution of Zn into the GR structure.

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Language(s): eng - English
 Dates: 2008
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: Other: WOS:000258945900035
DOI: 10.1180/minmag.2008.072.1.159
ISSN: 0026-461X
URI: ://WOS:000258945900035
 Degree: -

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Title: Mineralogical Magazine
Source Genre: Journal, SCI, Scopus
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Pages: - Volume / Issue: 72 (1) Sequence Number: - Start / End Page: 159 - 162 Identifier: CoNE: https://gfzpublic.gfz.de/cone/journals/resource/journals344