Determination of traces of ruthenium by addition of cerium(IV) and atomic absorption spectrometry |
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| Authors: | Kenji Motojima Katsuyoshi Tatenuma Zenko Yoshida Hideyo Takeishi Eiko Akatsu |
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| Affiliation: | Kaken Co. Ltd., 1044 Hori-cho, Mito, Ibaraki 310 Japan;Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki 319-11 Japan |
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| Abstract: | The sensitivity of the determination of ruthenium by flame atomic absorption spectrometry is increased 60 times by adding 1 × 10?2 M cerium(IV). Calibration is linear over the range of 0.05–5 μg ml?1 ruthenium. A method applicable to nitrosylruthenium complexes is described. The increased sensitivity results from formation of ruthenium tetroxide. |
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