Method and apparatus for measuring the content or quantity of a

Details Method and apparatus for measuring the content or quantity of a Method and apparatus for measuring the content or quantity of a

1980-12-09

1982-08-10

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Fluorescence

378157, G01N 2322

Patent

active

043441815

ABSTRACT:
A method and apparatus for measuring the content of an element by means of X-ray-radiation. Electrons from the cathode of a low-power X-ray tube are directed onto one side of the anode of said tube, said anode comprising a thin layer of anode material on a beryllium plate. The electrons excite primary X-ray-radiation in the anode material, including the characteristic X-ray lines. The radiation passes out through the opposite side of the anode as transmission radiation and is directed onto the element to be measured, whereupon fluorescense occurs, said fluorescense being caused by the characteristic lines. The fluorescense lines of the substance are then isolated by means of a balanced filter.

REFERENCES:
patent: 2999937 (1961-09-01), Kohler
patent: 3732426 (1973-05-01), Shoemezer
patent: 3963922 (1976-06-01), Zulliger
patent: 4048496 (1977-09-01), Albert

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