Determination of Osmium and Osmium Isotope Ratios by Microelectrothermal Vaporization Inductively Coupled Plasma Mass Spectrometry

Takafumi Hirata, Tasuku Akagi, Hiroshi Shimizu, Akimasa Masuda

研究成果: ジャーナルへの寄稿学術誌査読

32 被引用数 (Scopus)

抄録

A new merging introduction technique has been developed for Os analysis with inductively coupled plasma mass spectrometry (ICP-MS). The sample was placed in a microheater cell in a merging chamber and vaporized OsO4 was carried to the ICP with a blank matrix mist flow sprayed from a nebulizer. In the merging introduction, the best operational parameters could be obtained by the usual optimization using a standard solution. The 187Os/186Os ratio and the Os abundance were measured simultaneously by spiking 192Os. The precisions of the ratio and abundance measurements using 0.8 ng of Os were 5 and 4%, respectively. The detection limit of Os by this method was lower than 100 fg, which is almost one-tweifth of that obtained by conventional nebulization introduction.

本文言語英語
ページ(範囲)2263-2266
ページ数4
ジャーナルAnalytical Chemistry
61
20
DOI
出版ステータス出版済み - 10月 1989
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 分析化学

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