Document Detail


A variable ultra-short-pathlength solution cell for XAFS transmission spectroscopy of light elements.
MedLine Citation:
PMID:  23093754     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
An X-ray absorption fine-structure spectroscopy (XAFS) cell that is suitable for solution-phase studies of the light elements in the series from Na(+) and Ca(2+) is described. This cell has an ultra-short pathlength that can be remotely adjusted using a miniature stepper-motor drive and thereby readily provides transmission pathlengths in the range from submicrometer to several hundred micrometers. The flexibility to vary the pathlength enables acquisition of high-quality XAFS spectra and also allows one to check for potential distortions in the spectra from thickness effects. The primary components are mostly commercially available optical parts. The performance of this device is demonstrated at the Cl K-edge (2.8 keV) for several different aqueous Cl(-) solutions.
Authors:
John L Fulton; Mahalingam Balasubramanian; Van Thai Pham; George S Deverman
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Publication Detail:
Type:  Journal Article     Date:  2012-09-13
Journal Detail:
Title:  Journal of synchrotron radiation     Volume:  19     ISSN:  1600-5775     ISO Abbreviation:  J Synchrotron Radiat     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-10-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9888878     Medline TA:  J Synchrotron Radiat     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  949-53     Citation Subset:  IM    
Affiliation:
Chemical and Materials Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99354, USA.
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