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231222s2001 xx ||||| 00| ||eng c |
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|a pubmed25n0381.xml
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|a (NLM)11512978
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Liu, S H
|e verfasserin
|4 aut
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|a In-situ EXAFS study of copper in the electrokinetic remediation process
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|c 2001
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 06.09.2001
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|a Date Revised 05.06.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a The speciation of copper in the early stage of the electrokinetic remediation (EKR) process has been studied by extended X-ray absorption fine structure (EXAFS) spectroscopy in the present work. By in-situ EXAFS, we found that copper in a contaminated soil possessed a Cu-O bond distance of 1.98 A with a coordination number (CN) of 5.8. In the second shell, the bond distance of Cu-(O)-Cu was 2.87 A with a CN of 6.4. However, possibly due to the fact that incompact copper atoms in the outer shells were distorted by EKR, the Cu-(O)-Cu (2nd shell) bond distance and the CN of copper in the contaminated soil decreased by 0.08 A and 5.4, respectively in the early stage of the EKR process. Interestingly, after prolonging the contact time to about 80 minutes, the 1st-shell copper atoms were also perturbed by EKR. This work is an example of usefulness of the in-situ EXAFS spectroscopy for detailed studies of the speciation of copper in the contaminated soil during EKR process
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| 650 |
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|a Journal Article
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|a Soil Pollutants
|2 NLM
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| 650 |
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|a Copper
|2 NLM
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| 650 |
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|a 789U1901C5
|2 NLM
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| 700 |
1 |
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|a Wang, H P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, H C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Y W
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1999
|g 8(2001), Pt 2 vom: 01. März, Seite 919-21
|w (DE-627)NLM09824129X
|x 0909-0495
|7 nnns
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| 773 |
1 |
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|g volume:8
|g year:2001
|g number:Pt 2
|g day:01
|g month:03
|g pages:919-21
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|d 8
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