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Optimizing X-ray fluorescence spectrometry using fusion sample preparation to quantify ten major and minor elements in manganese ores
Vol 4, Issue 2, 2023
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Abstract
A rapid and straightforward method has been devised for direct analysis of SiO2, Al2O3, Fe, MgO, CaO, K2O, Mn, TiO2, P, and Zn in manganese ore samples using an X-ray fluorescence spectrometer (XRF). The method employs a glass fusion technique with a flux composed of Li2B4O7, LiBO2, and LiF (in a mass ratio of 45:10:5), NH4NO3 as an oxidizing agent, and LiBr as a stripping agent. The method's experimental parameters were fine-tuned, and its performance metrics were assessed. The proposed method was used to analyze the certified reference materials GBW07261 to GBW07266, yielding relative standard deviations (RSD, n = 12) below 2%. Accuracy was verified using synthetic samples, and the obtained results were in line with the certified values.
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Prof. Sivanesan Subramanian
Anna University, India
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