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The applicability of near-infrared (NIR) spectroscopy as tool for continuous and direct quality control of bauxite material on conveyor belts at mining sites was assessed. Modal quantifications of the bauxite mineralogy were performed by X-ray powder diffractions (XRPD)/Rietveld-analysis on 200 aliquots derived from 4 charges from the same sample locality and compared to Near Infrared (NIR) spectra...
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