DETERMINATION OF IMPURITIES BY NEUTRON ACTIVATION ANALYSIS. I. DETERMINATION OF COBALT IN NICKEL BY ACTIVATION ANALYSIS

Journal Article · Sat Dec 01 04:00:00 EST 1962 · Nippon Genshiryoku Gakkaishi (Japan)

OSTI ID:4762071

Kamemoto, Y; Yamagishi, S

Neutron activation analysis is investigated by means of determiring trace quantities of cobalt in nickel metal and nickel salts without chemical separation. The sample is irradiated simultaneously with a standard in a reactor at a neutron flux of about 10/sup 11/n/cm/sup 2//sec for 2 hr or 3 days (5 hr each day) and then cooled for several days to decay out the induced activity of nickel. After cooling, the irradiated sample is mounted in a 3 x 3 inch sodium iodide crystal attached to a 258-channel pulse height analyzer. Cobalt is determined by gamma spectrometry, comparing the heights of photopeaks at 1.17 and 1.33 Mev of Co/sup 60/ of the sample with those of standard cobalt. (auth)

• Research Organization: Japan Atomic Energy Research Inst., Tokyo
• NSA Number: NSA-17-012210
• OSTI ID: 4762071
• Journal Information: Nippon Genshiryoku Gakkaishi (Japan), Journal Name: Nippon Genshiryoku Gakkaishi (Japan) Vol. Vol: 4; ISSN NGEGA
• Country of Publication: Country unknown/Code not available
• Language: Japanese

Related Subjects

ACTIVATION ANALYSIS
CHEMISTRY
COBALT
COBALT 60
COOLING
CRYSTALS
DECAY
GAMMA SPECTROMETERS
IMPURITIES
IRRADIATION
NEUTRON FLUX
NEUTRONS
NICKEL
PULSE ANALYZERS
QUANTITATIVE ANALYSIS
SODIUM IODIDES
TRACE AMOUNTS