Optimization of in situ prompt gamma-ray analysis using a HPGe- sup 252 Cf probe
Conference
·
· Transactions of the American Nuclear Society; (United States)
OSTI ID:5759868
- National Tsing Hua Univ., Hsinchu (Taiwan)
Application of in situ measurements by the neutron-induced prompt gamma-ray activation analysis (PGAA) technique to geochemical analysis and mineral survey have been investigated. An in situ survey of water pollutants by PGAA techniques was first proposed in the authors' previous study, where a 2.7-{mu}g {sup 252}Cf neutron source used in connection with a gamma-ray detecting system to determine water pollutants was described. In this paper the authors describe a modified detection probe designed and constructed to look for the optimum conditions of various-intensity {sup 252}Cf neutron sources in measurement of some elements in lake water. Detecting efficiencies at high-energy regions and detection limits for elements commonly found in polluted lakes were evaluated and predicted to investigate the potential application of the probe for in situ measurements.
- OSTI ID:
- 5759868
- Report Number(s):
- CONF-910603--
- Conference Information:
- Journal Name: Transactions of the American Nuclear Society; (United States) Journal Volume: 63
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
54 ENVIRONMENTAL SCIENCES
540330 -- Environment
Aquatic-- Radioactive Materials Monitoring & Transport-- (1990-)
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ACTIVATION ANALYSIS
ALPHA DECAY RADIOISOTOPES
CALIFORNIUM 252
CALIFORNIUM ISOTOPES
CHEMICAL ANALYSIS
CHEMISTRY
EVEN-EVEN NUCLEI
GE SEMICONDUCTOR DETECTORS
GEOCHEMISTRY
HEAVY NUCLEI
HIGH-PURITY GE DETECTORS
IN-SITU PROCESSING
ISOTOPES
MEASURING INSTRUMENTS
NEUTRON SOURCES
NUCLEI
PARTICLE SOURCES
PERFORMANCE
PHOTON ACTIVATION ANALYSIS
POLLUTANTS
POLLUTION
PROCESSING
RADIATION DETECTORS
RADIATION SOURCES
RADIOISOTOPES
SEMICONDUCTOR DETECTORS
SPONTANEOUS FISSION RADIOISOTOPES
SURFACE WATERS
WATER POLLUTION
YEARS LIVING RADIOISOTOPES
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
54 ENVIRONMENTAL SCIENCES
540330 -- Environment
Aquatic-- Radioactive Materials Monitoring & Transport-- (1990-)
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ACTIVATION ANALYSIS
ALPHA DECAY RADIOISOTOPES
CALIFORNIUM 252
CALIFORNIUM ISOTOPES
CHEMICAL ANALYSIS
CHEMISTRY
EVEN-EVEN NUCLEI
GE SEMICONDUCTOR DETECTORS
GEOCHEMISTRY
HEAVY NUCLEI
HIGH-PURITY GE DETECTORS
IN-SITU PROCESSING
ISOTOPES
MEASURING INSTRUMENTS
NEUTRON SOURCES
NUCLEI
PARTICLE SOURCES
PERFORMANCE
PHOTON ACTIVATION ANALYSIS
POLLUTANTS
POLLUTION
PROCESSING
RADIATION DETECTORS
RADIATION SOURCES
RADIOISOTOPES
SEMICONDUCTOR DETECTORS
SPONTANEOUS FISSION RADIOISOTOPES
SURFACE WATERS
WATER POLLUTION
YEARS LIVING RADIOISOTOPES