| 光谱学与光谱分析 |
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| Determination of Al and Ca in Soil by Laser Micro-Plasma Spectroscopy |
| GUO Qing-lin, ZHOU Yu-long, ZHANG Qiu-lin, JIA Long-guang, HUAI Su-fang, CHEN Jin-zhong |
| College of Physics Science and Technology, Hebei University, Baoding 071002, China |
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Abstract Laser micro-spectral analyzer, coupled with CCD spectrometer, was used to determine soil elements in argon atmosphere at reduced pressure in the authors’ experiment. The accuracy and availability of this method were studied. With Al Ⅰ 394.40 nm and Ca Ⅱ 396.85 nm as spectral analysis lines, using “the three standard samples method”, the contents of Al and Ca in soil were determined. The results show that the maximum of relative standard deviation (RSD) of quantitative analysis is 5.80%; the maximum of relative difference between the quantitative analysis result and the standard value is 7.65%, suggesting that the accuracy of determination of Al and Ca in soil meets the challenge of quantitative analysis.
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Received: 2006-10-08
Accepted: 2007-01-23
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Corresponding Authors:
GUO Qing-lin
E-mail: zyljq@126.com
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[5] GUO Qing-lin, ZHANG Bo, ZHANG Jin-ping, et al(郭庆林, 张 博, 张金平, 等). Spectroscopy and Spectral Analysis(光谱学与光谱分析),2005,25(3): 447. |
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