Quantitative analysis of high-temperature alloy steels on a Rigaku Simultix simultaneous WDXRF spectrometer

Industrial large-scale metal alloy production houses have a crucial need for immediate analytical results. These applications include both failure analysis for production issues and general quality/process control. The need for fast, accurate, and precise analyses for industrial metallic applications is met with the Rigaku Simultix, a simultaneous wavelength-dispersive X-ray fluorescence (WDXRF) spectrometer. The total analysis time for the high-temperature alloy application below was less than one minute due to the speed-minded geometry in the dedicated analysis channels on a simultaneous WDXRF spectrometer.

The standards listed in Table 1 were used to generate a quantitative calibration method, based on Rigaku's Fundamental Parameters, to analyze a high temperature alloy metallic product.

The analytical precision has also been calculated based upon a 10 run repeatability routine, and displayed in Table 3 for all 15 elements.

In summation, the high degree of accuracy (down to 200 ppm) and the stability demonstrated in the precision statistics (not greater than 1.6 % C.V. except in extreme traces like Ta) efficiently demonstrates the superior ability to get a fast (under 1 minute total analysis time), reliable high-temperature metal alloy analysis on a simultaneous WDXRF spectrometer like the Rigaku Simultix, through a fundamental parameters-based quantitative calibration routine.