Process and apparatus for detecting presence of plant substances

Details Process and apparatus for detecting presence of plant substances Process and apparatus for detecting presence of plant substances

1990-08-01

1991-04-16

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

2503581, 250362, G01N 3300, G01T 120

Patent

active

050085395

ABSTRACT:
An apparatus and process for detecting the presence of plant substances in a particular environment which comprises the steps of: measuring the background K40 gamma ray radiation level in a particular environment with a 1.46 MeV gamma ray counter system; measuring the amount of K40 gamma ray radiation emanating from a package containing a plant substance being passed through an environment with a counter; and generating an alarm signal when the total K40 gamma ray radiation reaches a predetermined level over and above the background level.

REFERENCES:
patent: 1933063 (1933-10-01), Kolhorster
patent: 2337306 (1943-12-01), Barnes
patent: 4590377 (1986-05-01), Lukens

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