Sensitivities and interferences in activation analysis for magnesium, aluminum, silicon, phosphorus, zirconium, and molybdenum using cyclotron-produced fast neutrons
Journal Article
·
· Anal. Chem.; (United States)
- Max-Planck-Institut fuer Metallforschung, Stuttgart
The possibilities offered for activation analysis by using cyclotron-produced fast neutrons are investigated for the elements Mg, Al, Si, P, Zr, and Mo. Neutrons were produced by bombarding a thick beryllium target with 10- to 50-MeV deuterons. The use of a cyclotron in fast-neutron activation analysis has the advantages that rather high fast-neutron fluxes are available, and that, because of the variability of the neutron-energy spectra, optimum conditions with respect to sensitivity and interferences can be chosen. The experimental sensitivities obtained for Mg, Al, Si, P, and Zr range from 0.74 to 5.5 dpm/ng ..mu..A. These sensitivities are better by a factor of up to several hundred in comparison with data obtainable for 14-MeV neutrons. The extent of the interferences is, excluding some few exceptions, at about the same level for both techniques. 10 figures, 3 tables.
- OSTI ID:
- 7339514
- Journal Information:
- Anal. Chem.; (United States), Journal Name: Anal. Chem.; (United States) Vol. 48:11; ISSN ANCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400101* -- Activation
Nuclear Reaction
Radiometric & Radiochemical Procedures
ACCELERATORS
ACTIVATION ANALYSIS
ALKALINE EARTH METALS
ALUMINIUM
BARYONS
BERYLLIUM
CHARGED-PARTICLE REACTIONS
CHEMICAL ANALYSIS
CYCLIC ACCELERATORS
CYCLOTRONS
DEUTERON REACTIONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
FAST NEUTRONS
FERMIONS
HADRONS
INTERFERING ELEMENTS
MAGNESIUM
METALS
MEV RANGE
MEV RANGE 10-100
NEUTRONS
NONMETALS
NUCLEAR REACTIONS
NUCLEONS
PHOSPHORUS
SEMIMETALS
SENSITIVITY
SILICON
TRANSITION ELEMENTS
ZIRCONIUM
400101* -- Activation
Nuclear Reaction
Radiometric & Radiochemical Procedures
ACCELERATORS
ACTIVATION ANALYSIS
ALKALINE EARTH METALS
ALUMINIUM
BARYONS
BERYLLIUM
CHARGED-PARTICLE REACTIONS
CHEMICAL ANALYSIS
CYCLIC ACCELERATORS
CYCLOTRONS
DEUTERON REACTIONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
FAST NEUTRONS
FERMIONS
HADRONS
INTERFERING ELEMENTS
MAGNESIUM
METALS
MEV RANGE
MEV RANGE 10-100
NEUTRONS
NONMETALS
NUCLEAR REACTIONS
NUCLEONS
PHOSPHORUS
SEMIMETALS
SENSITIVITY
SILICON
TRANSITION ELEMENTS
ZIRCONIUM