Fluorescent X-ray quantitative analysis apparatus

Details Fluorescent X-ray quantitative analysis apparatus Fluorescent X-ray quantitative analysis apparatus

1993-02-25

1994-11-15

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Fluorescence

378 44, 378 45, G01N 2320

Patent

active

053655630

ABSTRACT:
A fluorescent X-ray quantitative analysis apparatus generates a stream of primary X-rays that are subject to variable conditions such as voltage, X-ray filters, and gas conduit conditions. A sample is supported to receive the beam of primary X-rays, and then measurements are made of the secondary X-rays resulting from impact with the sample. Conditions are changed to affect the primary X-rays, and a second measurement is made of the secondary X-rays from the sample. A computer circuit can determine the concentration of elements in the sample from their respective measurements, for example, by resolving a plurality of simultaneous equations.

REFERENCES:
patent: 3701899 (1972-10-01), Voparil
patent: 3919548 (1975-11-01), Porter
patent: 4015124 (1977-03-01), Page
patent: 4260885 (1981-04-01), Albert
patent: 5179580 (1993-01-01), Komatani et al.

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