Chinese Journal of Quantum Electronics, Volume. 41, Issue 3, 514(2024)
Quantitative detection of Cu element in Yellow River water based on LIBS⁃GD combined technology
Figures & Tables(7)
Fig. 2. Schematic diagram of LIBS-GD combined technology experimental device
Fig. 3. Optimization of discharge voltage of LIBS-GD combined experiment
Fig. 4. Optimization of laser parameters for LIBS-GD combined experiment. (a) H I 656.24 nm emission spectrum intensity change with delay time; (b) H I 656.24 nm emission spectrum intensity change with laser energy
Fig. 5. #3 sample Spectrum (insert: Cu element spectrum of the five samples)
Fig. 6. Calibration curve of Cu I 327.45 nm under internal standard method (insert: copper fitting curve in the concentration range of 0.7-12.5 mg/L)
Table 1. Comparison between internal standard method and AAS
View tableView in ArticleTable 1. Comparison between internal standard method and AAS
Sample Value by LIBS-GD/(mg⋅L-1) Value by AAS/(mg⋅L-1) Difference value/(mg⋅L-1) Relative error/% #1 0.34 0.36 0.02 5.6 #2 0.29 0.32 0.03 9.4 #3 0.33 0.35 0.02 5.7 #4 0.27 0.29 0.02 6.9 #5 0.38 0.41 0.03 7.3
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Jiawei CHANG, Yarui WANG, Xinrong MA, Weiwei Han, Guoding Zhang, Quanfang LU, Duixiong SUN. Quantitative detection of Cu element in Yellow River water based on LIBS⁃GD combined technology[J]. Chinese Journal of Quantum Electronics, 2024, 41(3): 514
Paper Information
Category: Special Issue on Key Technologies and Applications of LIBS
Received: Mar. 20, 2024
Accepted: --
Published Online: Jul. 17, 2024
The Author Email: Jiawei CHANG (Changjw1118@163.com)
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