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Chin. Opt. Lett.
 Home  List of Issues    Issue 05 , Vol. 11 , 2013    10.3788/COL201311.053004

Analysis of total nitrogen and total phosphorus in soil using laser-induced breakdown spectroscopy
Cuiping Lu, Liusan Wang, Haiying Hu, Zhong Zhuang, Yubing Wang, Rujing Wang, Liangtu Song
Laboratory of Intelligent Decision, [Institute of Intelligent Machines, Chinese Academy of Sciences], Hefei 230031, China

Chin. Opt. Lett., 2013, 11(05): pp.053004

Keywords(OCIS Code): 300.6365  300.6210  140.3440  

Laser-induced breakdown spectroscopy (LIBS) is used to determine the total nitrogen (TN) and total phosphorus (TP) in soil. Quantitative determinations are conducted using the line intensity of the analyte element and element concentration. Calibration models are obtained using ten samples for TN and seven samples for TP. The rest samples are used to validate the results. Strong linear correlations are obtained from the determined TN and TP concentrations. LIBS is a powerful tool for analyzing soil samples to determine nutrient elements by selecting calibration and validation samples with similar matrix composition.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2013/4/24

Get Citation: Cuiping Lu, Liusan Wang, Haiying Hu, Zhong Zhuang, Yubing Wang, Rujing Wang, Liangtu Song, "Analysis of total nitrogen and total phosphorus in soil using laser-induced breakdown spectroscopy," Chin. Opt. Lett. 11(05), 053004(2013)

Note: The authors gratefully acknowledge Anhui University of Traditional Chinese Medicine (Hefei, China) for the analysis of elemental concentration in soil. This work was supported by the National Natural Science Foundation of China under Grant No. 61205146.


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