THE FEASIBILITY OF THE FAST NEUTRON ACTIVATION ANALYSIS TO THE COPPER CONTENT DETERMINATION IN COPPER ORES

Journal Article · Tue Jan 01 04:00:00 EST 1963 · Nukleonika (Poland)

OSTI ID:4122144

Gorski, L

From a comparison of the nuclear properties of Cu, it is shown that fast neutron activation results in a gamma activity which is 7 times as great as that from thermal neutron activation and which is due to positron annihilation and therefore can be registered on a coincidence spectrometer. Since the threshold energy of the Cu/sup 63/(n,2n) reaction is 12 Mev, a D-T neutron source must be used. The interferences in Low Silesia ore are examined. In an estimate of the sensitivity of the proposed method, the activation of 5 g ore containing 2% Cu in a flux of 10/sup 7/ fast n/cm/sup 2//sec for 2 min was found to give approximates 3 x 10/sup 3/ coincidences/min. The activity due to oxygen can be eliminated by delaying measurement by 1 min after activation, and the time needed for the determination is estimated to be 5 min. (D.L.C.)

• Research Organization: Inst. of Radioisotopes Techniques, Krakow
• NSA Number: NSA-18-005229
• OSTI ID: 4122144
• Journal Information: Nukleonika (Poland), Journal Name: Nukleonika (Poland) Vol. Vol: 8; ISSN NUKLA
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ACTIVATION ANALYSIS
ANNIHILATION
CHEMISTRY
COINCIDENCE METHODS
COPPER
COPPER 63
FAST NEUTRONS
NEUTRON BEAMS
NUCLEAR REACTIONS
ORES
POSITRONS
QUANTITATIVE ANALYSIS
SPECTROMETERS