New Method for Estimation of the Magnesium Fraction in Magnesian Calcite |
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| Journal | Materials Science Forum (Volumes 443 - 444) |
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| Volume | European Powder Diffraction EPDIC 8 |
| Edited by | Yvonne Andersson, Eric J. Mittemeijer and Udo Welzel |
| Pages | 55-58 |
| DOI | 10.4028/www.scientific.net/MSF.443-444.55 |
| Citation | B. Gržeta et al., 2004, Materials Science Forum, 443-444, 55 |
| Online since | January, 2004 |
| Authors | B. Gržeta, D. Medaković, S. Popović |
| Keywords | Magnesian Calcite, Magnesium Fraction in (Ca,Mg)CO3, Rietveld Refinement, Sea Urchins, X-Ray Diffraction (XRD) |
| Abstract | A new method for estimation of the magnesium fraction in magnesian calcite is described. It involves measuring the XRD pattern of magnesian calcite in a narrow 20 range and individual profile fitting of diffraction lines 113 and 202. The intensity ratio I113/I202 is linearly correlated with the Mg fraction. The method resulted from an XRD study of adult sea urchins Sterechinus neumayeri. |
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