Method and an apparatus for analyzing a material
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United States of America Patent
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Sep 19, 2000
Grant Date -
N/A
app pub date -
Feb 23, 1998
filing date -
Apr 7, 1995
priority date (Note) -
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Abstract
A method and an apparatus for analyzing a material, such as coal and iron ore, particularly with a view to identifying contaminants, is disclosed. The method and apparatus are based on the use of multiple (particularly dual) energy x-ray analysis with x-rays at different photon energies. X-rays are transmitted through a material and the detected x-rays are processed to produce an image of the material that combines together the separated images produced by the different photon energy x-rays. The combined image has enhanced contrast which minimizes the affects of non-compositional factors that otherwise would affect identifying constituents of the material.
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