[Ifeffit] could coordination environment influence edge position of arsenate

Anatoly Frenkel anatoly.frenkel at stonybrook.edu
Thu Feb 8 22:22:30 CST 2018


This reference may be useful:

W. Yan, R. Vasic, A. I. Frenkel, B. E. Koel

Intra-particle reduction of arsenite (As(III)) by nanoscale zerovalent iron (nZVI) investigated with in situ X-ray absorption spectroscopy 

Environ. Sci. Technol. 46, 7018-7026 (2012)

Anatoly

> On Feb 8, 2018, at 10:55 PM, Shaofeng Wang <wangshaofeng at iae.ac.cn> wrote:
> 
> Dear everyone,
>  
> I am trying to probe the coordination environment of arsenate adsorbed on iron oxide. I got some XAFS data. My question is if the number of Fe atoms arsenate coordinates with influence the edge position of arsenic. Could anybody provide some theoretical explaination to me or some references?
>  
> Thanks in advance.
>  
> Best regards,
> 
> Shaofeng
> 
> --------------------------------------
> Shaofeng Wang, Ph.D of Geochemistry
> Environmental Molecular Science Group
> Institute of Applied Ecology, Chinese Academy of Sciences
> Shenyang, 110016, China
> wangshaofeng at iae.ac.cn
> www.iae.cas.cn
> 
>  
> 
>  
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