STUDY ON RAPID ANALYSIS BY RADIOACTIVATION. VI. DETERMINATION OF YTTERBIUM IN AQUEOUS SOLUTIONS AND IN THULIUM OXIDE

Journal Article · Fri Nov 01 04:00:00 EST 1963 · Tokyo Kogyo Shikensho Hokoku (Japan) Changed to J. Natl. Chem. Lab. Ind.

OSTI ID:4131253

Okada, M

A neutron activation analysis method was devised for the rapid determination of ytterbium in aqueous solutions and in thulium oxide powder. Sample and standard were irradiated separately with neutrons at a flux of 3 x 10/ sup 11/ neutrons per cm/sup 2//sec for 6 sec, and then the rate of decay of produced gamma ray activities of 0.104-Mev with the half life of 6 sec was determined by use of a sodium iodide crystal attached to a 256-channel pulse height analyzer. A calibration curve for 0.01 approximates 1 mg ytterbium was prepared. By this method 0.064% ytterbium in aqueous solution was determined within 5% errors. (auth)

• Research Organization: Originating Research Org. not identified
• NSA Number: NSA-18-008314
• OSTI ID: 4131253
• Journal Information: Tokyo Kogyo Shikensho Hokoku (Japan) Changed to J. Natl. Chem. Lab. Ind., Journal Name: Tokyo Kogyo Shikensho Hokoku (Japan) Changed to J. Natl. Chem. Lab. Ind. Vol. Vol: 58; ISSN TKSHA
• Country of Publication: Country unknown/Code not available
• Language: Japanese

Related Subjects

ACTIVATION ANALYSIS
CHEMISTRY
CRYSTAL COUNTERS
DECAY
DIAGRAMS
EFFICIENCY
GAMMA DETECTION
NEUTRON FLUX
NEUTRONS
POWDERS
PULSE ANALYZERS
QUANTITATIVE ANALYSIS
SODIUM IODIDES
SOLUTIONS
STANDARDS
THULIUM OXIDES
WATER
YTTRIUM