Research of the metal Cr accumulation in plant leaves using laser-induced breakdown spectroscopy

Qiumei Peng; Muhua Liu; Mingyin Yao; Tianbing Chen

doi:10.1117/12.910571

28 October 2011 Research of the metal Cr accumulation in plant leaves using laser-induced breakdown spectroscopy

Qiumei Peng, Muhua Liu, Mingyin Yao, Tianbing Chen

Proceedings Volume 8205, 2011 International Conference on Photonics, 3D-Imaging, and Visualization; 82050G (2011) https://doi.org/10.1117/12.910571
Event: 2011 International Conference on Photonics, 3D-imaging, and Visualization, 2011, Guangzhou, China

Abstract

Laser-induced breakdown spectroscopy (LIBS), an emerging technique for materials quantitative analysis, is rapidly maturing and is becoming increasingly accepted as an important tool for the metal detection. In this paper, a LIBS system with a 10 Hz Q-switched Nd: YAG ns laser at 1064 nm was employed to research the metal element Cr in plant leaves. Refer to NIST atomic database, the metal element Cr is identified in the soaked sample. According to statistical methods and spectrum analysis software, the calibration curve of the metal element Cr was obtained in our laboratory. The correlation coefficient of calibration curve is 0.97394 for Cr 425.43 nm and 0.94005 for Cr 427.48 nm respectively. The experimental results show LIBS technique is a fast and effective tool for detecting and analyzing the relative intensity of the metal elements and provides the basis of the rapid and continuous detection for plant metal.

Citation Download Citation

Qiumei Peng, Muhua Liu, Mingyin Yao, and Tianbing Chen "Research of the metal Cr accumulation in plant leaves using laser-induced breakdown spectroscopy", Proc. SPIE 8205, 2011 International Conference on Photonics, 3D-Imaging, and Visualization, 82050G (28 October 2011); https://doi.org/10.1117/12.910571

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