Analytical Instrumentation
Set It and Forget it Long-term Stability of Sulphur Analysis by XRF
Sep 15 2009
Author: Taco van den Maten, on behalf of Malvern PANalytical BV
Precision over time is a must-have in petrochemical analysis, and PANalytical?s high-throughput wavelength dispersive X-ray fluorescence (XRF) spectrometry solution can deliver the certainty that the oil industry needs. Industry methods, such as ISO 20884:04 and ASTM D2622-08, are utilized to monitor sulphur in road fuels within strict limits. Importantly, these methods also scet the standard for analytical repeatability and reproducibility. In this article, we take a look at the performance of PANalytical?s Axios-Petro high-throughput XRF spectrometer for sulphur analysis ? at the ?20 consecutive measurement? specification set out in ISO and ASTM norms. New data, assessing precision out to 122 days is also presented.
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