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  • Received: Feb. 20, 2019

    Accepted: Apr. 8, 2019

    Posted: Aug. 1, 2019

    Published Online: Aug. 13, 2019

    The Author Email: Zheng Peichao (, Wang Jinmei (

    DOI: 10.3788/CJL201946.0811001

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    Peichao Zheng, Qianyu Li, Jinmei Wang, Guining Tan, Huaidong Zhao, Ranning Liu. Detection of Copper and Manganese in Water by Laser-Induced Breakdown Spectroscopy Based on Chelate Resin[J]. Chinese Journal of Lasers, 2019, 46(8): 0811001

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Chinese Journal of Lasers, Vol. 46, Issue 8, 0811001 (2019)

Detection of Copper and Manganese in Water by Laser-Induced Breakdown Spectroscopy Based on Chelate Resin

Zheng Peichao*, Li Qianyu, Wang Jinmei*, Tan Guining, Zhao Huaidong, and Liu Ranning

Author Affiliations

  • Chongqing Municipal Level Key Laboratory of Photoelectric Information Sensing and Transmission Technology, College of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China


Laser-induced breakdown spectroscopy (LIBS) was applied to detect the copper and manganese concentrations in an aqueous solution using chelate resin as the solid-phase support. Cu I 324.75 nm and Mn II 257.61 nm were selected as the analysis lines. The parameters, such as the laser energy, delay time, laser focus position, sample solution flow rate, and pH of the sample solution, were investigated. Further, the calibration curves of Cu and Mn were established under optimal experimental parameters. The detection limits of Cu and Mn were 0.03 and 0.098 mg·L -1, respectively. Furthermore, the proposed method was used to obtain the natural water samples, and the recoveries of Cu and Mn were 93.88%-108.09% and 91.99%-103.88%, respectively. The proposed method demonstrates high detection sensitivity, can be applied to natural water, and is promising for the detection of heavy metals in water environments.