Portland Cement and Cementatious Materials
Unsurpassed Light Element Sensitivity and Analytical Performance |
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Modern Portland cement is made by mixing substances containing lime, silica, alumina, and iron oxide and then heating the mixture until it almost fuses. During the heating process dicalcium and tricalcium silicate, tricalcium aluminate, and a solid solution containing iron are formed. X-ray Fluorescence (XRF), a standard technique across the cement industry, is used to determine metal-oxide concentrations and oxide stoichiometry. The Rigaku NEX CG advanced Energy Dispersive X-ray Fluorescence (EDXRF) spectrometer, with its high sensitivity for light (low atomic number) elements, is the perfect cost-effective backup or supplement to your mainframe WDXRF system. Better analytical performance with changing feedsThe Rigaku NEX CG EDXRF is powered by a new qualitative and quantitative analytical software, RPF-SQX, that features Rigaku Profile Fitting (RPF) technology. The software allows semi-quantitative analysis of almost all sample types without standards - and rigorous quantitative analysis with a few standards. Featuring Rigaku's famous Scatter FP method, the software can automatically estimate the concentration of unobserved low atomic number elements (H to F) and provide appropriate corrections. RPF-SQX greatly reduces the number of required standards, for a given level of calibration fit, as compared to conventional XRF analytical software. As standards are expensive, and can be difficult to obtain for constantly changing feed streams, the utility of having a NEX CG spectrometer can significantly lower costs and reduce workload requirements for routine cement analysis needs. Cement information and resources |
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