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X-ray fluorescence from a model liquid/liquid solvent extraction system

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Title: X-ray fluorescence from a model liquid/liquid solvent extraction system
Author(s): Bu, Wei; Hou, Binyang; Mihaylov, Miroslav; Kuzmenko, Ivan; Lin, Binhua; Meron, Mati; Soderholm, L.; Luo, Guangming; Schlossman, Mark L.
Abstract: X-ray fluorescence near total reflection (XFNTR) is measured from the liquid/liquid interface between dodecane and an ErCl3 aqueous solution by monitoring L shell Er emission lines. A custom sample cell is used to minimize absorption of the fluorescence x-rays that pass through dodecane on their way to the detector. The Er3+ concentration near the interface is related to the fluorescence intensity by a scale factor that is extracted by fitting the incident-angle dependent Er La emission line intensities for different ErCl3 bulk concentrations. As an application, we present the use of XFNTR to monitor the growth of interfacial crud in a model solvent extraction system consisting of an interface between a dodecane solution of bis(2-ethylhexyl) phosphate (HDEHP) and an ErCl3 aqueous solution. VC 2011 American Institute of Physics. [doi:10.1063/1.3661983]
Issue Date: 2011-11-15
Publisher: American Institute of Physics
Citation Info: Bu, W., Hou, B. Y., Mihaylov, M., Kuzmenko, I., Lin, B. H., Meron, M., Soderholm, L., Luo, G. M., & Schlossman, M. L. 2011. X-ray fluorescence from a model liquid/liquid solvent extraction system. Journal of Applied Physics, 110(10). DOI: 10.1063/1.3661983
Type: Article
Description: © 2011 American Institute of Physics. The following article appeared in Bu, W., Hou, B. Y., Mihaylov, M., Kuzmenko, I., Lin, B. H., Meron, M., Soderholm, L., Luo, G. M., & Schlossman, M. L. 2011. X-ray fluorescence from a model liquid/liquid solvent extraction system. Journal of Applied Physics, 110(10). and may be found at http://jap.aip.org/resource/1/japiau/v110/i10/p102214_s1. DOI: 10.1063/1.3661983
URI: http://hdl.handle.net/10027/8431
ISSN: 0021-8979
Sponsor: This work was supported by the U.S. DOE, OBES, Chemical Sciences, Geosciences, and Biosciences Division under Contract No. DE- AC02-06CH11357. M.L.S. acknowledges the Chemistry Division of the NSF for partial support of this work. ChemMatCARS (Sector 15) is supported by NSF Chemistry and DOE; the latter under the same contract.
Date Available in INDIGO: 2012-08-07
 

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