| 平台石墨炉原子吸收法直接测定高温镍基合金中硒 |
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| 引用本文： | 姚金玉,云作敏.平台石墨炉原子吸收法直接测定高温镍基合金中硒[J].分析化学,1993,21(7):846-849. |
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| 作者姓名： | 姚金玉 云作敏 |
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| 作者单位： | 中国科学院长春应用化学研究所，中国科学院长春应用化学研究所，中国科学院长春应用化学研究所，中国科学院长春应用化学研究所 长春 130022，长春 130022，长春 130022，长春 130022 |
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| 摘 要： | 研究了基体改进剂及其用量,硒的灰化、原子化和出现温度,以及近20种共存离子的干扰。采用镍和钯混合液作基体改进剂,硒的灵敏度高,抗干扰能力强,不需要分离样品基体,可以采用平台石墨炉法直接测定高温镍基合金中硒。
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| 关 键 词： | 石墨炉 硒 镍基合金 原子吸收法 |
Direct Determination of Selenium in High Temperature Nickel-base Alloy by Platform Graphite Furnace Atomic Absorption Spectrometry |
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| Yao Jinyu,Yun Zuomin,Duan Hongfeng,Xiang Renying.Direct Determination of Selenium in High Temperature Nickel-base Alloy by Platform Graphite Furnace Atomic Absorption Spectrometry[J].Chinese Journal of Analytical Chemistry,1993,21(7):846-849. |
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| Authors: | Yao Jinyu Yun Zuomin Duan Hongfeng Xiang Renying |
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| Abstract: | The title method is studied with nickel and palladium as the mixed matrix modifier. Therefore, the sensitivity is improved, the ashing temperature is increased and many interferences are eliminated for the determination of selenium as compared with that without matrix modifier. The method can be used directly for the analysis of nickel-base alloy withurt predissociation of matrix. |
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| Keywords: | Platform graphite furnace Matrix modifier Selenium |
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