How effectively is the photon activation analysis applied to meteorite sample

M. Ebihara; Y. Oura; T. Ishii; M. Setoguchi; H. Nakahara; T. Ohtsuki

doi:10.1023/A:1006766411304

How effectively is the photon activation analysis applied to meteorite sample

M. Ebihara^*, Y. Oura, T. Ishii, M. Setoguchi, H. Nakahara, T. Ohtsuki

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

Chondritic meteorite samples were analyzed nondestructively by photon activation analysis. Powdered samples weighing about 50 mg each were irradiated with photons (γ-rays) converted from electrons accelerated by a linear electron accelerator at 20 and 30 MeV. With 30-minute and 6-hour irradiations, 11 and 12 elements with duplication of 6 elements could be determined, respectively. Considering that several major elements including Mg, Si and Fe can be determined in addition to Ti, Rb, St, Y and Zr, which cannot or hardly be determined by instrumental neutron activation analysis (INAA) with rather high sensitivity, instrumental photon activation analysis is as effective as INAA.

Original language	English
Pages (from-to)	491-496
Number of pages	6
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	244
Issue number	3
DOIs	https://doi.org/10.1023/A:1006766411304
Publication status	Published - 2000 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Analytical Chemistry
Nuclear Energy and Engineering
Radiology Nuclear Medicine and imaging
Pollution
Spectroscopy
Public Health, Environmental and Occupational Health
Health, Toxicology and Mutagenesis

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AU - Ebihara, M.

AU - Oura, Y.

AU - Ishii, T.

AU - Setoguchi, M.

AU - Nakahara, H.

AU - Ohtsuki, T.

PY - 2000/1/1

Y1 - 2000/1/1

N2 - Chondritic meteorite samples were analyzed nondestructively by photon activation analysis. Powdered samples weighing about 50 mg each were irradiated with photons (γ-rays) converted from electrons accelerated by a linear electron accelerator at 20 and 30 MeV. With 30-minute and 6-hour irradiations, 11 and 12 elements with duplication of 6 elements could be determined, respectively. Considering that several major elements including Mg, Si and Fe can be determined in addition to Ti, Rb, St, Y and Zr, which cannot or hardly be determined by instrumental neutron activation analysis (INAA) with rather high sensitivity, instrumental photon activation analysis is as effective as INAA.

AB - Chondritic meteorite samples were analyzed nondestructively by photon activation analysis. Powdered samples weighing about 50 mg each were irradiated with photons (γ-rays) converted from electrons accelerated by a linear electron accelerator at 20 and 30 MeV. With 30-minute and 6-hour irradiations, 11 and 12 elements with duplication of 6 elements could be determined, respectively. Considering that several major elements including Mg, Si and Fe can be determined in addition to Ti, Rb, St, Y and Zr, which cannot or hardly be determined by instrumental neutron activation analysis (INAA) with rather high sensitivity, instrumental photon activation analysis is as effective as INAA.

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How effectively is the photon activation analysis applied to meteorite sample

Abstract

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