光谱学与光谱分析
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激光微区发射光谱分析法测定铝酸锶铕镝长余辉材料中的铕
张金平,张 博,郭庆林,王文杰,郭 智,怀素芳,魏艳红
河北大学物理科学与技术学院,河北 保定 071002
Determination of Eu in Long-Aferglow of the SrAl2 O4 :Eu2+ , Dy3+ Phospher Samples by LMESA
ZHANG Jin-ping, ZHANG Bo, GUO Qing-lin, WANG Wen-jie, GUO Zhi, HUAI Su-fang, WEI Yan-hong
College of Physics Science and Technology, Hebei University, Baoding 071002, China
摘要 : 激光微区发射光谱分析法结合CCD光学多道分析仪测定了SrAl2 O4 :Eu2+ , Dy3+ 长余辉材料中铕的含量,研究了该方法用于长余辉材料定量分析的准确性。实验中以Eu(Ⅱ) 412.973 nm为分析线,计算机拟合LogI f ~Logc 工作曲线,对Eu的分析结果表明: 分析谱线相对强度RSD为4.3%,定量分析相对标准偏差RSD为7.4%,分析结果的平均值为2.13%;采用高温固相反应法制备SrAl2 O4 :Eu2+ , Dy3+ 长余辉材料,制备前后的Eu百分含量发生明显变化,高温合成后的长余辉材料中Eu百分含量明显增大。
关键词 :激光微区发射光谱分析;长余辉材料;SrAl2 O4 :Eu2+ ;Dy3+ ;Eu
Abstract :A method for the determination of Eu in Long-aferglow of the SrAl2 O4 :Eu2+ , Dy3+ phospher samples by laser microemission spectral analysis was developed.And the accuracy of this method was studied.Analyses of Eu in Long-aferglow of the SrAl2 O4 :Eu2+ , Dy3+ phospher samples, using the Eu(Ⅱ) line at 412.973 nm, show that RSD of relative intensity of spectral lines is 4.3%, RSD of quantitative analysis is 7.4%, the average of quantitative analysis is 2.13%.Compared with the content before samples synthesized, it can be concluded that the content of Eu in the SrAl2 O4 :Eu2+ , Dy3+ phospher samples synthesized by high temperature solid phase reaction has an obvious increase.
Key words :Laser microemission spectral analysis;Long-aferglow material;SrAl2 O4 :Eu2+ ;Dy3+ ;Eu
收稿日期: 2004-03-08
修订日期: 2004-06-06
通讯作者:
张金平
引用本文:
张金平,张 博,郭庆林,王文杰,郭 智,怀素芳,魏艳红 . 激光微区发射光谱分析法测定铝酸锶铕镝长余辉材料中的铕[J]. 光谱学与光谱分析, 2005, 25(08): 1325-1327.
ZHANG Jin-ping, ZHANG Bo, GUO Qing-lin, WANG Wen-jie, GUO Zhi, HUAI Su-fang, WEI Yan-hong. Determination of Eu in Long-Aferglow of the SrAl2 O4 :Eu2+ , Dy3+ Phospher Samples by LMESA. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(08): 1325-1327.
链接本文:
https://www.gpxygpfx.com/CN/Y2005/V25/I08/1325
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