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Title: Source holder collimator for encapsulating radioactive material and collimating the emanations from the material

Abstract

This invention provides a transportable device capable of detecting normal levels of a trace element, such as lead in a doughnutshaped blood sample by x-ray fluorescence with a minimum of sample preparation in a relatively short analyzing time. In one embodiment, the blood is molded into a doughnut-shaped sample around an annular array of low-energy radioactive material that is at the center of the doughnut-shaped sample but encapsulated in a collimator, the latter shielding a detector that is close to the sample and facing the same so that the detector receives secondary emissions from the sample while the collimator collimates ths primary emissions from the radioactive material to direct these emissions toward the sample around 360 deg and away from the detector. (Official Gazette)

Inventors:
Issue Date:
OSTI Identifier:
4310627
Patent Number(s):
3787691
Assignee:
to United States Atomic Energy Commission
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G - PHYSICS G21 - NUCLEAR PHYSICS G21K - TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR
NSA Number:
NSA-29-024393
Resource Type:
Patent
Resource Relation:
Patent File Date: 1973 Jan 31; Other Information: G01r23/22. Orig. Receipt Date: 30-JUN-74
Country of Publication:
United States
Language:
English
Subject:
N47310* -Isotope & Radiation Source Technology-Radiation Sources-Design & Fabrication; N40100 -Chemistry-Analytical & Separations Chemistry; *BLOOD- X-RAY FLUORESCENCE ANALYSIS; *CAPSULES- DESIGN; *COLLIMATORS- DESIGN; *LEAD- X-RAY FLUORESCENCE ANALYSIS; *X-RAY SOURCES- COLLIMATORS; PLUTONIUM 238

Citation Formats

Laurer, G R. Source holder collimator for encapsulating radioactive material and collimating the emanations from the material. United States: N. p., 1974. Web.
Laurer, G R. Source holder collimator for encapsulating radioactive material and collimating the emanations from the material. United States.
Laurer, G R. Tue . "Source holder collimator for encapsulating radioactive material and collimating the emanations from the material". United States.
@article{osti_4310627,
title = {Source holder collimator for encapsulating radioactive material and collimating the emanations from the material},
author = {Laurer, G R},
abstractNote = {This invention provides a transportable device capable of detecting normal levels of a trace element, such as lead in a doughnutshaped blood sample by x-ray fluorescence with a minimum of sample preparation in a relatively short analyzing time. In one embodiment, the blood is molded into a doughnut-shaped sample around an annular array of low-energy radioactive material that is at the center of the doughnut-shaped sample but encapsulated in a collimator, the latter shielding a detector that is close to the sample and facing the same so that the detector receives secondary emissions from the sample while the collimator collimates ths primary emissions from the radioactive material to direct these emissions toward the sample around 360 deg and away from the detector. (Official Gazette)},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1974},
month = {1}
}