Simultaneous determination of rhenium, osmium and iridium in meteoritic samples by neutron activation analysis using simple and effective radiochemical procedures

H. Ozaki; M. Ebihara; H. Nakahara

doi:10.1007/BF02042947

Simultaneous determination of rhenium, osmium and iridium in meteoritic samples by neutron activation analysis using simple and effective radiochemical procedures

H. Ozaki^*, M. Ebihara, H. Nakahara

^*Corresponding author for this work

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

9 Citations (Scopus)

Abstract

Simple and effective procedures for the determination of Re, Os and Ir by radiochemical neutron activation analysis are presented. Those elements are separated individually by distillation (for Os) and anion exchange techniques (for Re and Ir) for a single specimen. Reproducibilities of the data obtained by the present procedures are evaluated by replicate analyses of the Allende meteorite sample, and are deduced to be 3% for Re, 6% for Os and 4% for Ir (1σ). Detection limits for the present procedures are calculated to be 1 ppb for Re, 20 ppb for Os and 5 ppb for Ir. These procedures were applied to Antarctic meteorites and proved to work very effectively for the determination of trace Re, Os and Ir in chondrite meteorites.

Original language	English
Pages (from-to)	3-13
Number of pages	11
Journal	Journal of Radioanalytical and Nuclear Chemistry Articles
Volume	185
Issue number	1
DOIs	https://doi.org/10.1007/BF02042947
Publication status	Published - 1994 Nov 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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10.1007/BF02042947

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Simultaneous determination of rhenium, osmium and iridium in meteoritic samples by neutron activation analysis using simple and effective radiochemical procedures. / Ozaki, H.; Ebihara, M.; Nakahara, H.
In: Journal of Radioanalytical and Nuclear Chemistry Articles, Vol. 185, No. 1, 01.11.1994, p. 3-13.

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

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AU - Ebihara, M.

AU - Nakahara, H.

PY - 1994/11/1

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N2 - Simple and effective procedures for the determination of Re, Os and Ir by radiochemical neutron activation analysis are presented. Those elements are separated individually by distillation (for Os) and anion exchange techniques (for Re and Ir) for a single specimen. Reproducibilities of the data obtained by the present procedures are evaluated by replicate analyses of the Allende meteorite sample, and are deduced to be 3% for Re, 6% for Os and 4% for Ir (1σ). Detection limits for the present procedures are calculated to be 1 ppb for Re, 20 ppb for Os and 5 ppb for Ir. These procedures were applied to Antarctic meteorites and proved to work very effectively for the determination of trace Re, Os and Ir in chondrite meteorites.

AB - Simple and effective procedures for the determination of Re, Os and Ir by radiochemical neutron activation analysis are presented. Those elements are separated individually by distillation (for Os) and anion exchange techniques (for Re and Ir) for a single specimen. Reproducibilities of the data obtained by the present procedures are evaluated by replicate analyses of the Allende meteorite sample, and are deduced to be 3% for Re, 6% for Os and 4% for Ir (1σ). Detection limits for the present procedures are calculated to be 1 ppb for Re, 20 ppb for Os and 5 ppb for Ir. These procedures were applied to Antarctic meteorites and proved to work very effectively for the determination of trace Re, Os and Ir in chondrite meteorites.

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Simultaneous determination of rhenium, osmium and iridium in meteoritic samples by neutron activation analysis using simple and effective radiochemical procedures

Abstract

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