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BOVIN, D. et al. Recent Developments in x-ray analysis and their applications in cement industry. In: CONGRESSO BRASILEIRO DE CIMENTO, 5., 1999, São Paulo. Anais… São Paulo: ABCP, 1999.
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Resumo

X-ray analysis has been established as a standard technique in the cement industry by virtue of its reliability, repeatability, ease of use, wide dynamic range and process integration. However, the analytical needs of the cement industry are continuously evolving from the basic and routine tasks of controlling the raw materials, raw meal and cement. Indeed, modern cement plants are demanding more analytical capabilities in order to achieve optimum production efficiency under environmentally safe conditions. It is clear that the X-ray instrument, whether positioned in the central laboratory or integrated in the process, is being increasingly solicited for applications which go beyond the conventional samples and analysis. Recent developments in X-ray instrumentation and analytical techniques will be reviewed with a focus on their applications in the cement industry. The integration of various modules XRF, XRD, Standard-less analysis and General Oxide calibration packages in one single instrument will be described. Simple automation facilities in conjunction with large XY-autosamplers will be presented. It will be shown that one can avoid multiplication of X-ray instruments and consequently escalation of running and maintenance costs by opting for such an integrated spectrometer.
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