Direct Determination of Trace Elements in Steel by Laser Ablation/ICP-MS

ISHIDA Tomoharu; AKIYOSHI Takanori; KINOSHIRO Satoshi

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Direct Determination of Trace Elements in Steel by Laser Ablation/ICP-MS

机译：激光烧蚀/ ICP-MS直接测定钢中的痕量元素

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Elemental fractionation (non-stoichiometric generation of vapor species) can be canceled with repeated laser irradiation in an adequate area without vacant space by a developed laser ablation (LA) system. Particles generated with this system were induced to inductively coupled plasma mass spectrometry (ICP-MS) for quantitative determination of trace elements (B, As, Sb, Pb) in steel samples. Analytical performance of the developed LA-ICP-MS was investigated with standard reference materials of iron. The analytical results showed that this method has sufficient precision, sensitivity and accuracy for the analysis of steel samples in the μg/g level concentration of trace elements. This system can reduce much time for the determination of trace elements compared with solution ICP-MS or electrothermal vaporization atomic absorption spectrometry.

机译：可以通过开发的激光烧蚀（LA）系统在适当的区域内重复激光照射来消除元素分馏（非化学计量的蒸气物种生成），而没有足够的空间。用该系统产生的颗粒经电感耦合等离子体质谱（ICP-MS）定量测定钢样品中的痕量元素（B，As，Sb，Pb）。使用铁的标准参考材料研究了开发的LA-ICP-MS的分析性能。分析结果表明，该方法对于以痕量元素的μg/ g浓度分析钢样品具有足够的精密度，灵敏度和准确性。与溶液ICP-MS或电热汽化原子吸收光谱法相比，该系统可以减少很多痕量元素的测定时间。

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《JFE technical report》 |2007年第9期|p.24-30|共7页
作者
ISHIDA Tomoharu; AKIYOSHI Takanori; KINOSHIRO Satoshi;
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作者单位

Analysis & Characterization Res. Dept., Steel Res. Lab., JFE Steel;

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正文语种 eng
中图分类工业技术;钢铁冶炼（黑色金属冶炼）（总论）;
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Direct Determination of Trace Elements in Steel by Laser Ablation/ICP-MS

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