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Journal Articles

Determination of $$^{41}$$Ca in biological-shield concrete by low-energy X-ray spectrometry

Ito, Mitsuo; Watanabe, Kazuo; Hatakeyama, Mutsuo; Tachibana, Mitsuo

Analytical and Bioanalytical Chemistry, 372(5-6), p.532 - 536, 2002/03

 Times Cited Count:16 Percentile:44.85(Biochemical Research Methods)

An X-ray spectrometry method has been developed for the determination of Ca-41 in the biological shield concrete of nuclear reactors. To isolate Ca from other elements, the concrete sample was first decomposed with nitric, hydrofluoric and perchloric acids. Calcium was then separated from other coexisting radionuclides by ion-exchange chromatography and recovered as an oxalate precipitate. X rays at 3.3 keV from Ca-41 in the calcium oxalate pellet were measured. Detection efficiency of the X-ray measurement at 3.3 keV was calculated from those obtained by measuring Fe-55 standard pellets at 5.9 keV using mass absorption coefficients of the calcium oxalate pellet at each X-ray energy value. A lower limit of determination of 8 Bq g-1 was obtained for a sample weight of 1 g.

Journal Articles

Retention of fission product cesium in ZrC coated fuel particles for high-temperature gas-cooled reactors

Minato, Kazuo; Ogawa, Toru; Koya, Toshio; Sekino, Hajime; Tomita, Takeshi

Journal of Nuclear Materials, 279(2-3), p.181 - 188, 2000/06

 Times Cited Count:34 Percentile:87.99(Materials Science, Multidisciplinary)

no abstracts in English

JAEA Reports

Sample preparation and characterization of technetium metal

Minato, Kazuo; Serizawa, Hiroyuki; Fukuda, Kosaku; Ito, Mitsuo

JAERI-Research 97-077, 17 Pages, 1997/10

JAERI-Research-97-077.pdf:1.09MB

no abstracts in English

Journal Articles

XPS and TDS studies of trapping states of helium implanted in TiO$$_{2}$$

;

Journal of Nuclear Materials, 152, p.295 - 300, 1988/00

 Times Cited Count:4 Percentile:46.85(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Average shape of efficiency curves as a function of the size of Ge(Li) detectors

Nihon Kagakkai-Shi, 81(3), p.367 - 371, 1981/00

no abstracts in English

5 (Records 1-5 displayed on this page)
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