Device for assaying uranium and/or thorium in ore specimens comp

Details Device for assaying uranium and/or thorium in ore specimens comp Device for assaying uranium and/or thorium in ore specimens comp

1978-06-15

1980-09-23

Smith, Alfred E.

Radiant energy

Coded record and readers; invisible radiant energy type

250450, 250456, 250510, G01N 2320, G01N 3320, G01N 23223, H01J 3720

Patent

active

042245176

ABSTRACT:
A device for assaying uranium and/or thorium present in ore specimens in concentrations above approximately 20 ppm according to the energy dispersive X-ray fluorescence technique, including a support for holding an ore specimen and a gamma source detector system located below the support and including a source for directing gamma radiation into the specimen in order to excite radiation containing X-ray K-lines, and a detector for detecting the X-ray K-lines of such radiation.

REFERENCES:
patent: 3404275 (1968-10-01), Martinelli
patent: 3889113 (1975-06-01), Rhodes
patent: 4063089 (1977-12-01), Gaurba

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