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Raman Spectroscopic Detection of Olive Oil Adulteration
Dr. Amy Bauer, TSI Incorporated
Olive oil is among the most commonly adulterated food products. Raman spectroscopy has the potential to be utilized in measurements of olive oil to establish purity from adulteration with other, less expensive, oils. This application note reviews some of the most compelling data present in recent scientific literature to support this claim.
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Copper Concentrate Analysis by Pressed Powder Method
Laura Oelofse, Rigaku Technologies
As the quality of Cu ore deposits has decreased, the demand for reliable analysis has increased. Rigaku application note XRF 1041 describes the analysis of copper ore concentrate using the Rigaku Supermini200 high-power benchtop sequential WDXRF spectrometer. Analysis of copper sulfide ore, a major source of copper and other Cu concentrates, can reveal the presence of not only harmful elements, such as arsenic, but also elements more valuable than copper, including silver or gold. The results show how a benchtop spectrometer can be a powerful tool for ore and concentrate analysis for both process control and screening.
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Miniature 60 kV, 1000 µA, 12 W X-ray Source
Sterling Cornaby, Moxtek
The new 12 W source from Moxtek is meant for use in small beach top and portable XRF systems where small size components are valued. Its features are critical for more precise and faster XRF analysis of heavy and light elements at low concentrations.
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