In crystallography, a diffraction standard, or calibration crystal, is a crystal used to calibrate an X-ray spectrometer to an absolute X-ray energy scale. A range of materials may be used including quartz or silicon crystals. There are also reports of crystals of silver behenate or silver stearate having been used for this purpose.
References
- Swanson, H. E.; McMurdie, H. F.; Morris, M. C.; Evans, E. H. (June 1968). "Standard X-ray Diffraction Powder Patterns: Section 6. Data for 60 Substances". University of North Texas Libraries.
- Cline, James P. (September 6, 2016). "Powder Diffraction SRMs". National Institute of Standards and Technology.
- Blanton, T. N.; Huang, T. C.; Toraya, H.; Hubbard, C. R.; Robie, S. B.; Louër, D.; Göbel, H. E.; Will, G.; Gilles, R.; Raftery, T. (June 1995). "JCPDS—International Centre for Diffraction Data round robin study of silver behenate. A possible low-angle X-ray diffraction calibration standard". Powder Diffraction. 10 (2): 91–95. doi:10.1017/S0885715600014421. ISSN 0885-7156.
- Finnefrock, A. C. (Jan 25, 2000). "SAXS Calibrants".
External links
- http://www.gwyndafevans.co.uk/thesis-html/node85.html
- http://www.ccp14.ac.uk/solution/calibration/index.html
- http://bigbro.biophys.cornell.edu/documents/SAX_Calibrants/saxs_sphere.html
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