| 光电直读光谱法测定稀土铝合金中La,Ce,Pr,Nd,Sm ,Si,Fe,Cu |
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| 引用本文： | 李跃平.光电直读光谱法测定稀土铝合金中La,Ce,Pr,Nd,Sm ,Si,Fe,Cu[J].光谱学与光谱分析,2002,22(2):317-319. |
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| 作者姓名： | 李跃平 |
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| 作者单位： | 国家轻金属质量监督检验中心,河南,郑州,450041 |
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| 摘 要： | 本文报道了稀土铝合金中La,Ce,Pr,Nd,Sm,Si,Fe,Cu的光电直读光谱测定，对光源的激发方式及最佳工作条件进行了选择，应用KH－5高能预火花光源，采用单向全功率放电，先冲洗3秒，然后预燃5秒，曝光10秒。各元素谱线间无干扰，。使用固体试样，样品处理简单。经试验验证该法简便快速，精密度准确度高，含量在0．001％－0．002％之间RSD＜6％，0．02％－0．3％之间RSD＜3％，标准样品的测定值与准确值吻合较好，结果令人满意。
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| 关 键 词： | 光电直读光谱法 测定 稀土铝合金 镧 铈 镨 钕 钐 硅 铁 铜 |
| 文章编号： | 1000-0593(2002)02-0317-03 |
| 修稿时间： | 2000年10月24 |
Determination of La,Ce,Pr,Nd,Sm,Si,Fe and Cu in Rare Earth Aluminum Alloy by Photoeletric Direct Reading Spectrometry |
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| LI Yue ping China National Quality Supervision and Test Centetr of Light Metal,Zhengzhou ,China.Determination of La,Ce,Pr,Nd,Sm,Si,Fe and Cu in Rare Earth Aluminum Alloy by Photoeletric Direct Reading Spectrometry[J].Spectroscopy and Spectral Analysis,2002,22(2):317-319. |
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| Authors: | LI Yue ping China National Quality Supervision and Test Centetr of Light Metal Zhengzhou China |
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| Institution: | LI Yue ping China National Quality Supervision and Test Centetr of Light Metal,Zhengzhou 450041,China |
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| Abstract: | A method for the determination of La,Ce,Pr,Nd,Sm,Si,Fe and Cu in rare earth aluminum alloy by photoelectric direct reading spectrometry is proposed.The optimal condition and source mode were selected,and source is used in full power mode.The flush time,pre burn time and exposure time are three seconds,five seconds and ten seconds,respectively.Taking solid specimen,the sample pre treatment is simple.The method is simple,rapid,and has higher sensitivity and accuracy.The RSD is less than 6% for the analytical range of 0 001%-0 02%,and is less than 3% for the analytical range of 0 02%-0 3%.The determined values of standard samples are in good agreement with certified values. |
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| Keywords: | Photoelectric direct reading spectrometry Rare earth alumium alloy |
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