| ICP-AES直接测定氯化稀土中稀土元素 |
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| 引用本文： | 卞群洲,彭速标,贺柏龄,钟志光.ICP-AES直接测定氯化稀土中稀土元素[J].广东微量元素科学,1999,6(4):64-69. |
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| 作者姓名： | 卞群洲 彭速标 贺柏龄 钟志光 |
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| 作者单位： | 广东进出口商品检验局,广州,510075 |
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| 摘 要： | 以电荷耦合器件为检测器的ＩＣＰ－ＡＥＳ光谱仪直接测定了混合稀土中的十五种稀土元素。考察十五种稀土元素的五十余条灵敏线的谱图，分析稀土元素之间的干扰并选取了合适的分析线，利用多组分谱图拟合方法扣除了空白及稀土元素间的谱线干扰，试验了最佳的溶液酸度及仪器工作参数，方法回收率为９８．４％￣１０１．７％，相对标准偏差小于２％。
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| 关 键 词： | 稀土 |
| 修稿时间： | 1998.9.1) |
Direct Determination of Rare Earth Elements in Rare Chloride by ICP-AES |
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| Bian Qunzhou,Peng Subiao,He Bailing,Zhong Zhiguang.Direct Determination of Rare Earth Elements in Rare Chloride by ICP-AES[J].Trace Elements Science,1999,6(4):64-69. |
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| Authors: | Bian Qunzhou Peng Subiao He Bailing Zhong Zhiguang |
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| Institution: | Bian Qunzhou,Peng Subiao,He
Bailing,Zhong Zhiguang;
(Guangdong Import & Export Commodity Inspection Bureau,No.56 Shui Yin Road,Guangzhou |
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| Abstract: | ICP - AES was used in the direct determination of 15 rare earth elements in synthetic solutions and real sample. Spectral interferences between REEs in the mixture of rare earth were investigated with a high-resolution echelle spectrometer and optimum analytical wavelengths were selected. Multicomponent spectral fitting (MSF) methed was used to m spectral interferences and background.The influences of acidity and ICP parameters were investigated.The detection limits (ug/L) of 14 RE elements are Y 0.21, In 9.1, Ce 14.1, Pr 1.9, Nd 7.8, Tm0.37, Yb 0.12, In 0.02, Ho 0.06, Er0.06,Tb 0.53, Sm 1. 14, Eu 0.09, Dy 0.08, Gd 0.30 respectively.The recoveries of this procedure are be- tween 98.4% and 101 .7%. The RSD is within 2%. |
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| Keywords: | ICP-AES CCD MSF |
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