Product Releases

WDXRF Spectrometer Tackles Lube Oil Analysis

Mon, 12/03/2012 - 4:04pm


Rigaku Corp.’s Application Note No. 5039 describes the analysis of unused lubricating oils and additives for a variety of inorganic elements following ASTM method D6443-04 using the company’s Supermini200—a benchtop WDXRF spectrometer. The composition of lubricant oils and their additives has a significant effect on their functional properties. As the desired performance specifications of these lubricants have become tighter, the need for precise, accurate analysis has increased. To realize greater cost-efficiency, the lubricant industry is turning to tools that not only meet the new performance requirements but are also easier and less expensive to acquire, install and maintain. Wavelength-dispersive X-ray fluorescence spectrometry (WDXRF) is displacing wet chemistry and other labor-intensive analytical techniques, but typical floor-standing units have special space and facility requirements, including electrical power and cooling water. The company’s WDXRF spectrometer offers comparable precision and resolution, as well as enhanced sensitivity for light elements, in a lower-cost benchtop package, giving lubricant and additive manufacturers a compact and convenient alternative to the large, high-power WDXRF systems. 


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