Rigaku NEX QC EDXRF Application Note: Sulfur in Crude by ASTM 4294

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A new method for the analysis of sulfur in crude oil in compliance with ASTM D4294

Applied Rigaku Technologies, Inc. today announced a new method for the analysis of sulfur in crude oil in compliance with ASTM D4294. Application Note #1149 demonstrates the effectiveness of the Rigaku NEX QC benchtop EDXRF analyzer for the analysis of sulfur (S) in crude oil, petroleum oils and fuels by Energy Dispersive X-ray Fluorescence spectrometry.

Sulfur is one of the most toxic elements in crude products relative to the refining process. As more stringent environmental regulations are enacted globally, demand for low-sulfur fuels is expected to increase. Reliably characterizing the sulfur content of crude enables verification of the various feedstocks at the refinery and optimum blending ratios when blending different crudes to meet a desired sulfur concentration.

The method described details the ability of the NEX QC to yield excellent results for the measurement of crude oil and other heavy petroleum oils in compliance with international standards. Performance demonstrated is applicable to light and heavy crude oils, residual oil and bunker fuels.

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About Rigaku

Since its inception in Japan in 1951, Rigaku has been at the forefront of analytical and industrial instrumentation technology. Rigaku and its subsidiaries form a global group focused on life sciences and general purpose analytical instrumentation. With hundreds of major innovations to its credit, Rigaku and its subsidiary companies are world leaders in the fields of small molecule and protein crystallography, X-ray spectrometry and diffraction, X-ray optics, as well as semiconductor metrology. Rigaku employs over 1,100 people globally and its products are in use in more than 70 countries – supporting research, development, production control and quality assurance activities. Throughout the world, Rigaku continuously promotes partnerships, dialog, and innovation within the global scientific and industrial community.

For further information, contact:     

Scott Fess
Product Manager
Applied Rigaku Technologies, Inc.
tel: +1. 512-225-1796


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Scott Fess

Robert C. Tisdale, Ph.D., M.B.A.