Comment on "Direct Observation of Tetrahedrally Coordinated Fe(III) in Ferrihydrite" [original article: Peak, Derek and Regier, Tom (2012) Direct Observation of Tetrahedrally Coordinated Fe(III) in Ferrihydrite, Environmental Science and Technology, 46(6): 3163-3168]
Hocking, Rosalie K., Gates, Will P., and Cashion, John D. (2012) Comment on "Direct Observation of Tetrahedrally Coordinated Fe(III) in Ferrihydrite" [original article: Peak, Derek and Regier, Tom (2012) Direct Observation of Tetrahedrally Coordinated Fe(III) in Ferrihydrite, Environmental Science and Technology, 46(6): 3163-3168]. Environmental Science and Technology, 46 (20). pp. 11471-11472.
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Abstract
[Extract] We have read with interest the discussion¹⁻² on recent work by Peak and Regier³ on the interpretation of the Fe L-edge spectrum of ferrihydrite. Having extensively studied Fe L-edge XAS spectra,⁴⁻⁸ we felt it important to point out some of the limitations in applying linear combinations to these types of spectra. In agreement with Manceau² we do not believe that assignment of the presence or absence of tetrahedral sites in ferrihydrite is possible using linear combinations of L-edge spectra alone. However, our reasons for this conclusion are more general.
| Item ID: | 27446 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1520-5851 |
| Date Deposited: | 04 Jun 2013 06:41 |
| FoR Codes: | 03 CHEMICAL SCIENCES > 0306 Physical Chemistry (incl Structural) > 030606 Structural Chemistry and Spectroscopy @ 50% 03 CHEMICAL SCIENCES > 0301 Analytical Chemistry > 030101 Analytical Spectrometry @ 50% |
| SEO Codes: | 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100% |
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