Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas Dockray0
James William Rackham0
Date of Patent
September 30, 2008
0Patent Application Number
111842690
Date Filed
July 19, 2005
0Patent Primary Examiner
Patent abstract
By considering ratio of emissions at one or more pairs of energies to threshold values, the invention provides for the determination of the dispersion format of a radioactive material within a matrix, wherein said radioactive material is potentially present in a dispersion format which is self-shielding against emissions arising from said radioactive. In particular the presence of lumpy material or the confirmation that lump material is absent may be provided. The following pairs of energies: 143.8 keV and 185.7 keV; 163.3 keV and 185.7 keV; 205.3 keV and 187.5 keV may be used.
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