Ultra Low P, S, Cl Analysis in Liquids with a versatile Benchtop WDXRF Spectrometer
Phosphorous, sulfur and chlorine are commonly analyzed elements in liquids such as petroleum products and organic solvents. For example, phosphorous is added to lubricating oils to prevent wear of gears under high pressure. Sulfur content in automotive fuel oils are regulated by the US environmental protection agency (EPA) and directives such as EURO VI to minimize air pollution due to automotive vehicles. Chlorine, contained for example in crude oil, is an unwanted element known for corroding oil processing installations and liquid transmission pipelines. To better meet demands of such applications, the benchtop wavelength dispersive X-ray fluorescent (WDXRF) spectrometer Supermini200's analyzing crystal set has been newly reconfigured to optimize performance for trace level analysis of P, S and Cl. Laborious sample treatment such as acid digestion or serial dilution are not required. Liquid samples are simply poured into a plastic cup covered with film for measurement and results can be obtained in minutes. Instrument meets precision required by test methods such as ASTM D2622-16, ISO 20884:2011 and JPI-5S-73-2014.
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Wolfgang Klock (Rigaku)
Career: Academic positions in Mineralogy/Geochemistry for a period of 15 years, followed by positions in industry for almost 20 years. Activities in industry range from application and sales, business development, instrument development and product management always inn companies manufacturing analytical x-ray instruments for various industry markets. Current gravity of work: XRF product management, with emphasis on support for all distributors in the EMEA region. Communication of European customer needs to japanese x-ray instrument manufacturer.
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