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Accession number;01A0231212
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| Title;Photon activation analysis of halogens in meteorites. |
| Author;
NAKAMOTO TOMOSHI
(Tokyotodai Daigakuinrigakukenkyuka)
LATIF S K
(Tokyotodai Daigakuinrigakukenkyuka)
OURA YASUJI
(Tokyotodai Daigakuinrigakukenkyuka)
EBIHARA MITSURU
(Tokyotodai Daigakuinrigakukenkyuka)
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Journal Title;Abstracts of Papers. Symposium on Radiochemistry
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Journal Code:F0139B
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ISSN:1345-2762
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VOL.44th;NO.;PAGE.55(2000)
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| Figure&Table&Reference; |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;In order to determine halogen contents with a high sensitivity, we have developed a radiochemical photon activation analysis (RPAA) method. We have established a chemical separation procedure for halogens in rock and meteorite samples. We first fused irradiated samples using NaOH with carrier of halogens and then separated halogens from the matrix. Iodine and fluorine were precipitated as PdI2 and CaF2, respectively, while chlorine and bromine were precipitated as Ag-halides. We found an apparent loss of I from reagent standard samples and powdered sedimentary rock samples during irradiation. Taking into account this problem, we try to establish a RPAA procedure to measure four halogens (F, Cl, Br, I) from a single meteorite sample. (author abst.) |
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