Nuclear gauge with compensation for sample irregularities

Details Nuclear gauge with compensation for sample irregularities Nuclear gauge with compensation for sample irregularities

1994-10-12

1996-07-02

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Neutron responsive means

25039004, 250391, G01N 2309

Patent

active

055324924

ABSTRACT:
A neutron gauge is described for determining the moisture content of a moisture containing material. Samples of the moisture containing material are confined in a sample pan and a sample cover with sufficient neutron moderating activity is pressed against the sample. The cover, sample, and sample pan are placed in the same location in the gauge with respect to the neutron source and detector for each measurement to compensate for volume variations in the sample. The sample can be weighed to compensate for density variations. The sample pan cover can include a cadmium sheet for direct contact with the sample to shield the sample from neutrons thermalized by the cover.

REFERENCES:
patent: 3492479 (1970-01-01), Lowery et al.
patent: 3532883 (1970-10-01), Dresia et al.
patent: 3761712 (1973-09-01), Listerman
patent: 4499380 (1985-02-01), Aggour et al.
patent: 4645635 (1987-02-01), Yuen et al.
patent: 4874950 (1989-10-01), Regimand
patent: 4884288 (1989-11-01), Sowerby
patent: 5083029 (1992-01-01), Buchanan
patent: 5151601 (1992-09-01), Regimand

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