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X-ray filter assembly for fluorescence measurements of x-ray absorption fine structure
Abstract
Fluorescence detection, in principle, permits the detection of the extended x-ray absorption fine structure (EXAFS) of more dilute atoms than can be obtained in absorption. To take advantage of this it is necessary, in practice, to eliminate the background that normally accompanies the fluorescence signal. We describe an x-ray filter assembly that accomplishes this purpose. The unique characteristic of the assembly is a slit system that minimizes the fluorescence background from the filter. The theory of the slit assembly is presented and is found to agree with measurements made on the Fe EXAFS of a dilute sample. The filter assembly has a better effective counting rate in this case than that of a crystal monochromator design.
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Citations
Cited by
Arsenate and Chromate Retention Mechanisms on Goethite. 1. Surface Structure
Fendorf, S., Eick, M. J., Grossl, P., & Sparks, D. L. (1997) · Environmental Science & Technology · doi:10.1021/es950653t · Cited by 1,017
Freedman, L. P., Luisi, B. F., Korszun, Z. R., Basavappa, R., Sigler, P. B., & Yamamoto, K. R. (1988) · Nature · doi:10.1038/334543a0 · Cited by 522
O'Loughlin, E. J., Kelly, S. D., Cook, R. E., Csencsits, R., & Kemner, K. M. (2003) · Environmental Science & Technology · doi:10.1021/es0208409 · Cited by 444
Analysis of Soils and Minerals Using X‐ray Absorption Spectroscopy
Kelly, S. D., Hesterberg, D., & Ravel, B. (2008) · SSSA Book Series · doi:10.2136/sssabookser5.5.c14 · Cited by 400
Ligand K-edge X-ray absorption spectroscopy: covalency of ligand–metal bonds
Solomon, E. I., Hedman, B., Hodgson, K. O., Dey, A., & Szilagyi, R. K. (2005) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2004.03.020 · Cited by 377
Metadata
- Authors
- Stern, E. A., & Heald, S. M.
- Venue
- Review of Scientific Instruments
- Publisher
- AIP Publishing
- Published
- 1979-12-01
- Volume
- 50
- Issue
- 12
- Pages
- 1579-1582
- ISSN
- 0034-6748 (ISSN-L)
- 1089-7623
- OpenAlex
- W2061659557
- Cited by
- 275
- References
- 0
- FWCI
- 8.51
- Type
- journal article
- Language
- en
- Open access
- closed
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- Stern, E. A., & Heald, S. M. (1979). X-ray filter assembly for fluorescence measurements of x-ray absorption fine structure. Review of Scientific Instruments. https://doi.org/10.1063/1.1135763
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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