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题名: Determination of Lithium and Strontium at High Concentration by ICP-AES
作者: Zhao Jing ;  李海军 ;  Sun Bai ;  Song Peng-sheng
刊名: SPECTROSCOPY AND SPECTRAL ANALYSIS
出版日期: 2012
卷号: 32, 期号:6, 页码:1666-1670
关键词: ICP-AES ;  Lithium chloride ;  Strontium chloride ;  Orthogonal test
英文摘要: The concentrations of lithium and strontium of highly concentrated lithium-strontium mixed solution were determined simultaneously by inductively coupled plasma-atomic emission spectroscopy (ICP-AES). After considering total salinity, relation coefficient and intensity at different wavelengths of lithium and strontium respectively, the determination wavelength was chosen for lithium and strontium separately. Using the determined wavelength, the result varies in terms of acid effect, equipment operating parameters and total salinity in the mixed solution. When the total salinity was in the range of 0.20%similar to 0.60%, the linear correlation coefficient of Li and Sr was better than 0.9999. After optimizing the instrument parameters, the standard solutions relative errors were within +0.59%similar to-0.66%, and the samples recoveries were within 99.14%similar to 100.4%. This method is reliable due to stability and good recurrence. It can be used to determine high concentration of lithium and strontium ions in the lithium-strontium mixed solution accurately and rapidly. The concentrations of lithium and strontium of highly concentrated lithium-strontium mixed solution were determined simultaneously by inductively coupled plasma-atomic emission spectroscopy (ICP-AES). After considering total salinity, relation coefficient and intensity at different wavelengths of lithium and strontium respectively, the determination wavelength was chosen for lithium and strontium separately. Using the determined wavelength, the result varies in terms of acid effect, equipment operating parameters and total salinity in the mixed solution. When the total salinity was in the range of 0.20%similar to 0.60%, the linear correlation coefficient of Li and Sr was better than 0.9999. After optimizing the instrument parameters, the standard solutions relative errors were within +0.59%similar to-0.66%, and the samples recoveries were within 99.14%similar to 100.4%. This method is reliable due to stability and good recurrence. It can be used to determine high concentration of lithium and strontium ions in the lithium-strontium mixed solution accurately and rapidly.
收录类别: SCI
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2051
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Zhao Jing,Li Hai-jun,Sun Bai,et al. Determination of Lithium and Strontium at High Concentration by ICP-AES[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2012,32(6):1666-1670.
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