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Analysis Of Dolomite Composition Using The EDX9000B X-Ray Fluorescence - Metal
The Bayan Obo Mine plays a vital role in the growth of China's rare earth industry. Therefore, it is essential to perform a swift and precise analysis without altering the mine's structure. X-ray fluorescence spectrometry stands out for its ability to directly analyze both bulk and powdered samples. Additionally, it offers high accuracy, a broad range of analyzable elements (from Na to U), rapid analysis speed, and ease of use—perfectly aligning with the needs for quick and accurate qualitative and quantitative assessments of the Bayan Obo Mine. Furthermore, the X-ray fluorescence spectrometer serves as an important tool for modern mineral composition analysis.
When analyzing polymetallic samples by X-ray fluorescence spectrometry, the matrix effect among the elements in the sample makes the grade of the target element to be measured generally not in a linear relationship with the measured fluorescence intensity value. This requires the correction of the errors caused by the matrix effect among the sample elements to make the measurement results more accurate. Generally, X-Ray Fluorescence (XRF) analysis must have standard samples. At the Bayan Obo Mine, due to the diverse range of elements and their varying concentrations, obtaining suitable standard samples is quite challenging. To address the issue of possible errors, we have developed an empirical coefficient correction method specifically for managing matrix effects in raw ore from the Bayan Obo Mine when using the EDX9000B (Energy-Dispersive X-Ray Fluorescence) desktop vacuum mineral analyzer. This innovation effectively resolves a practical challenge faced by XRF analyzers in mineral analysis.