Using synchrotron-based X-ray absorption spectrometry to identify the arsenic chemical forms in mine waste materials

Matanitobua, Vitukawalu P., Noller, Barry N., Chiswell, Barry, Ng, Jack C., Bruce, Scott L., Huang, Daphne S., Riley, Mark and Harris, Hugh H. (2007). Using synchrotron-based X-ray absorption spectrometry to identify the arsenic chemical forms in mine waste materials. In: Jae-Young Choi and Seungyu Rah, AIP Conference Proceedings. Synchrotron Radiation Instrumentation: Ninth International Conference on Synchrotron Radiation Instrumentation. Synchrotron Radiation Instrumentation: Ninth International Conference on Synchrotron Radiation Instrumentation, Daegu, Korea, (1845-1848). 28 May-2 June 2006. doi:10.1063/1.2436430


Author Matanitobua, Vitukawalu P.
Noller, Barry N.
Chiswell, Barry
Ng, Jack C.
Bruce, Scott L.
Huang, Daphne S.
Riley, Mark
Harris, Hugh H.
Title of paper Using synchrotron-based X-ray absorption spectrometry to identify the arsenic chemical forms in mine waste materials
Conference name Synchrotron Radiation Instrumentation: Ninth International Conference on Synchrotron Radiation Instrumentation
Conference location Daegu, Korea
Conference dates 28 May-2 June 2006
Proceedings title AIP Conference Proceedings. Synchrotron Radiation Instrumentation: Ninth International Conference on Synchrotron Radiation Instrumentation   Check publisher's open access policy
Journal name Synchrotron Radiation Instrumentation, Pts 1 and 2   Check publisher's open access policy
Place of Publication New York, United States of America
Publisher American Institute of Physics
Publication Year 2007
Year available 2007
Sub-type Fully published paper
DOI 10.1063/1.2436430
ISBN 9780735403734
0735403732
ISSN 0094-243X
1551-7616
Editor Jae-Young Choi
Seungyu Rah
Volume 879
Issue 1
Start page 1845
End page 1848
Total pages 4
Collection year 2008
Language eng
Abstract/Summary X-ray Absorption Near Edge Spectroscopy (XANES) gives arsenic form directly in the solid phase and has lower detection limits than extraction techniques. An important and common application of XANES is to use the shift of the edge position to determine the valence state. XANES speciation analysis is based on fitting linear combinations of known spectra from model compounds to determine the ratios of valence states and/or phases present. As(V)/As(III) ratios were determined for various Australian mine waste samples and dispersed mine waste samples from river/creek sediments in Vatukoula, Fiji. ©2007 American Institute of Physics
Subjects 259902 Environmental Chemistry (incl. Atmospheric Chemistry)
E1
300804 Environmental Impact Assessment
771000 Mining Environments
Q-Index Code E1
Q-Index Status Confirmed Code

 
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Created: Thu, 15 May 2008, 13:46:56 EST by Marie-Louise Moore on behalf of National Res Centre For Environmental Toxicology