Method for determining the proportion of at least one material i

Details Method for determining the proportion of at least one material i Method for determining the proportion of at least one material i

1980-08-15

1983-02-15

Smith, Alfred E.

Radiant energy

Geological testing or irradiation

With sampling

2503591, 2502521, 378 58, G01V 500

Patent

active

043743269

ABSTRACT:
The proportion of a radioactive material in a moving mass of material is determined with a sensor which derives an output signal proportional to the mass of radioactive material. The output signal is calibrated against known reference values to give a quantitative value of mass. Problems associated with inhomogeneity of material distribution are overcome by averaging the sensed radiation over a time period. Background radiation can be sensed to determine sufficiency of material or it can be shielded from the sensor.

REFERENCES:
patent: 2717693 (1955-04-01), Holmes
patent: 3007052 (1961-10-01), Hickman et al.
patent: 3341706 (1967-09-01), Swift et al.
patent: 3445651 (1969-05-01), Starnes
patent: 3678268 (1972-07-01), Reim et al.
patent: 3732420 (1973-05-01), Brunnett et al.
patent: 4118623 (1978-10-01), Fertl et al.

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