Development of krypton-85 sources for the Bureau of Mines coal dust combustion analyzer. Operations Division final report. [Gaseous /sup 85/Kr encapsulated in Ta; x-ray source]
Americium-241 used as a radiation source in a field instrument for measuring coal concentrations in mine dust presents a contamination hazard if the instrument is damaged. Alternative source designs based on /sup 85/Kr were developed and evaluated. Krypton-85 beta particles were used to excite x-rays from a target and the x-rays were used in place of the /sup 241/Am gamma radiation. Output of sources using /sup 85/Kr foils was not high enough because the concentration of /sup 85/Kr in the foils was too low. Output of sources using gaseous /sup 85/Kr, encapsulated in tantalum was adequate for the coal dust analyzer although the associated radiation field from /sup 85/Kr gamma rays make these sources inappropriate for application in a portable instrument.
- Research Organization:
- Oak Ridge National Lab., Tenn. (USA)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 7350091
- Report Number(s):
- ORNL-5215
- Country of Publication:
- United States
- Language:
- English
Similar Records
KRYPTONATES: Kr$sup 85$ BECOMES A UNIVERSAL TRACER
DEVELOPMENT OF KRYPTON-85 STATIC ELIMINATION EQUIPMENT. Quarterly Progress Report No. 1 for Period December 1, 1958 to February 28, 1959
Geophysical problems of krypton-85 in the atmosphere
Journal Article
·
Mon Jul 01 00:00:00 EDT 1963
· Nucleonics (U.S.) Ceased publication
·
OSTI ID:4704454
DEVELOPMENT OF KRYPTON-85 STATIC ELIMINATION EQUIPMENT. Quarterly Progress Report No. 1 for Period December 1, 1958 to February 28, 1959
Technical Report
·
Tue Apr 14 23:00:00 EST 1959
·
OSTI ID:4213618
Geophysical problems of krypton-85 in the atmosphere
Book
·
Mon Dec 31 23:00:00 EST 1990
·
OSTI ID:5624802
Related Subjects
01 COAL, LIGNITE, AND PEAT
012000 -- Coal
Lignite
& Peat-- Mining
07 ISOTOPE AND RADIATION SOURCES
070201* -- Radiation Sources-- Design
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070204 -- Radiation Sources-- Industrial Uses
Radiometric
440105 -- Radiation Instrumentation-- Radiometric Instruments-- (-1987)
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ATMOSPHERES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CARBONACEOUS MATERIALS
CHEMICAL ANALYSIS
COAL
COAL MINES
COAL MINING
DESIGN
DUSTS
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY SOURCES
EVEN-ODD NUCLEI
FABRICATION
FOILS
FOSSIL FUELS
FUELS
HAZARDS
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
IONIZING RADIATIONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KRYPTON 85
KRYPTON ISOTOPES
MEASURING INSTRUMENTS
METALS
MINES
MINING
NONDESTRUCTIVE ANALYSIS
NUCLEI
RADIATION SCATTERING ANALYSIS
RADIATION SOURCES
RADIATIONS
RADIOISOTOPES
RADIOMETRIC GAGES
REFRACTORY METALS
TANTALUM
TRANSITION ELEMENTS
USES
X RADIATION
X-RAY EQUIPMENT
X-RAY SOURCES
YEARS LIVING RADIOISOTOPES
012000 -- Coal
Lignite
& Peat-- Mining
07 ISOTOPE AND RADIATION SOURCES
070201* -- Radiation Sources-- Design
Fabrication & Operation
070204 -- Radiation Sources-- Industrial Uses
Radiometric
440105 -- Radiation Instrumentation-- Radiometric Instruments-- (-1987)
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ATMOSPHERES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CARBONACEOUS MATERIALS
CHEMICAL ANALYSIS
COAL
COAL MINES
COAL MINING
DESIGN
DUSTS
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY SOURCES
EVEN-ODD NUCLEI
FABRICATION
FOILS
FOSSIL FUELS
FUELS
HAZARDS
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
IONIZING RADIATIONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KRYPTON 85
KRYPTON ISOTOPES
MEASURING INSTRUMENTS
METALS
MINES
MINING
NONDESTRUCTIVE ANALYSIS
NUCLEI
RADIATION SCATTERING ANALYSIS
RADIATION SOURCES
RADIATIONS
RADIOISOTOPES
RADIOMETRIC GAGES
REFRACTORY METALS
TANTALUM
TRANSITION ELEMENTS
USES
X RADIATION
X-RAY EQUIPMENT
X-RAY SOURCES
YEARS LIVING RADIOISOTOPES