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Automatic Matrix Correction for C/H Ratio in Sulfur Analysis Using ASTM D4294 and ISO 8754
Methods such as ASTM D4294 and ISO 8754 expose unknown samples to X-rays that create fluorescence characteristic of the sulfur contained in the sample. A detector measures the intensity of this characteristic florescence, which is then compared to a calibration curve created by measuring a set of samples with certified concentrations of sulfur. However, these methods state that if the ratio of carbon to hydrogen (C/H) of the unknown sample is significantly different from the material that was used to calibrate, then significant bias in the result may be seen.
Download our whitepaper to learn more about an automatic matrix correction solution to avoid biased sulfur results with ASTM D4294 and ISO 8754 analysis.