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This study relates to determination of the content of aluminium oxide (%Al2O3) in different types of bauxite by the X-ray fluorescence method (XRF). The samples were prepared in the form of beads by the borax method from bauxite, which had been previously annealed. Standard reference samples of bauxite were used to produce a calibration curve and the calibration curve obtained was with very good coefficient of determination r = 0.9992 and standard deviation S = 0.091. After statistical verification of the method (F-test, reference method and standard sample of bauxite), it was concluded that the method was precise and correct and that there were no systemic errors. In addition to this, by the XRF analysis of different types of bauxite the average value of residuals between percent of Al2O3 determined by the standard method of SRPS B.G8.512 and XRF method was 0.254 with the deviation of 0.191.
Dragica Lazic. 2012. \u201cDetermination of Alumina Oxide in Bauxites by X-ray Fluorescence Analysis\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 12 (GJSFR Volume 12 Issue B3): .
Crossref Journal DOI 10.17406/GJSFR
Print ISSN 0975-5896
e-ISSN 2249-4626
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Total Score: 110
Country: Serbia
Subject: Global Journal of Science Frontier Research - B: Chemistry
Authors: Dr. Dragana Keselj, Dragica Lazic, Jelena Penavin-Skundric, Slavica Sladojevic, Ljubica Vasiljevic (PhD/Dr. count: 1)
View Count (all-time): 136
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Publish Date: 2012 07, Sat
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This study relates to determination of the content of aluminium oxide (%Al2O3) in different types of bauxite by the X-ray fluorescence method (XRF). The samples were prepared in the form of beads by the borax method from bauxite, which had been previously annealed. Standard reference samples of bauxite were used to produce a calibration curve and the calibration curve obtained was with very good coefficient of determination r = 0.9992 and standard deviation S = 0.091. After statistical verification of the method (F-test, reference method and standard sample of bauxite), it was concluded that the method was precise and correct and that there were no systemic errors. In addition to this, by the XRF analysis of different types of bauxite the average value of residuals between percent of Al2O3 determined by the standard method of SRPS B.G8.512 and XRF method was 0.254 with the deviation of 0.191.
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