Abstract
Skye sand (Vic, Australia) has been considered for arsenic removal from groundwater. Analysis showed that the silica sand is coated with poorly crystalline goethite, hematite and clay minerals. Mössbauer spectra taken following arsenic adsorption revealed changes in the recoilless fraction and relaxation behaviour of the goethite compared to the original state, showing that the goethite is the main active species.
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Acknowledgements
This research has been supported by the School of Physics and Astronomy and the School of Chemistry, Monash University. SAK is grateful for support from Monash University, the School of Chemistry and the Government of the People’s Republic of Bangladesh.
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This article is part of the Topical Collection on Proceedings of the International Conference on the Applications of the Mössbauer Effect (ICAME 2017), Saint-Petersburg, Russia, 3–8 September 2017
Edited by Valentin Semenov
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Cashion, J.D., Khan, S.A., Patti, A.F. et al. Mechanism of groundwater arsenic removal by goethite-coated mineral sand. Hyperfine Interact 238, 101 (2017). https://doi.org/10.1007/s10751-017-1472-0
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DOI: https://doi.org/10.1007/s10751-017-1472-0