X-Ray System and Methods with Detector Interior to Focusing Element
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United States of America Patent
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Issued Date -
Dec 9, 2010
app pub date -
Jun 3, 2010
filing date -
Jun 3, 2009
priority date (Note) -
Abandoned
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Abstract
An X-ray fluorescence instrument in which x-rays are directed from a source onto a sample by a focusing element. Fluorescence from the sample is detected by an x-ray detector disposed entirely within a volume “interior” to the focusing element, as defined in the description of the invention. A second focusing element may collect emission by the sample and direct it monochromatically, over a large opening angle, onto the x-ray detector. Methods for applying the instrument, particularly for the quantification of sulfur and other contaminating elements in lubricants and fuel are also provided.
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