Matrix effect based on laser-induced breakdown spectroscopy

Yinxu Yao; Rong Qiu; Qing Wan; Yi Yang; Jinfang Shi; Huili Wang; Qiang Zhou

doi:10.11884/HPLPB202335.230126

High Power Laser and Particle Beams, Volume. 35, Issue 11, 111004(2023)

Matrix effect based on laser-induced breakdown spectroscopy

Yinxu Yao^1,2, Rong Qiu^1,2、*, Qing Wan³, Yi Yang^1,2, Jinfang Shi¹, Huili Wang^1,2, and Qiang Zhou^1,2

¹Joint Laboratory of Extreme Conditions Material Properties, Southwest University of Science and Technology, Mianyang 621010, China

²School of Mathematics and Science, Southwest University of Science and Technology, Mianyang 621010, China

³Teaching and Research Support Center, Army Service Academy, Chongqing 401331, China

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Figures & Tables(8)

Fig. 1. Schematic diagram of LIBS experimental device

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Fig. 2. Comparison of Cd Ⅱ 226.502 spectral line intensities in different matrices under two excitation methods

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$Changes in the intensity of Cd Ⅱ 226.502 spectral lines with KCl mass fraction$

Fig. 3. Changes in the intensity of Cd Ⅱ 226.502 spectral lines with KCl mass fraction

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$Changes of electron temperature and electron density with KCl mass fraction in plasma$

Fig. 4. Changes of electron temperature and electron density with KCl mass fraction in plasma

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Fig. 5. Calibration curves of Cd Ⅱ 226.502 nm line under two excitation methods

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Table 1. Mass fractions of cadmium and potassium chloride in standard samples of groups D and E
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Table 1. Mass fractions of cadmium and potassium chloride in standard samples of groups D and E
sample mass fraction/% sample mass fraction/%
Cd KCl Cd KCl
D₁ 1 0 E₁ 0.2 0
D₂ 1 3 E₂ 0.2 3
D₃ 1 6 E₃ 0.2 6
D₄ 1 9 E₄ 0.2 9
D₅ 1 12 E₅ 0.2 12

Table 2. Mass fractions of cadmium in three groups (F, G, and H) of standard samples

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Table 2. Mass fractions of cadmium in three groups (F, G, and H) of standard samples

sample	mass fraction/%	sample	mass fraction/%	sample	mass fraction/%
F₁	0.004	G₁	0.004	H₁	0.004
F₂	0.010	G₂	0.010	H₂	0.010
F3	0.020	G₃	0.020	H₃	0.020
F₄	0.040	G₄	0.040	H₄	0.040
F₅	0.100	G₅	0.100	H₅	0.100
F₆	0.200	G₆	0.200	H₆	0.200
F₇	0.400	G₇	0.400	H₇	0.400
−	−	−	−	H₈	1.000
−	−	−	−	H₉	2.000

Table 3. Quantitative analysis results of three matrices under two excitation methods

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Table 3. Quantitative analysis results of three matrices under two excitation methods

	LOD / (mg·kg⁻¹)		R² /%		RSD / %
	355 nm	OEDB-LIBS	355 nm	OEDB-LIBS	355 nm	OEDB-LIBS
Group F sample (silica matrix)	372	42	93.5	97.6	13.604	7.232
Group G sample (soil matrix)	332	72	84.0	94.5	14.283	7.691
Group H sample (rice matrix)	2874	37	95.3	95.1	13.544	6.968

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Yinxu Yao, Rong Qiu, Qing Wan, Yi Yang, Jinfang Shi, Huili Wang, Qiang Zhou. Matrix effect based on laser-induced breakdown spectroscopy[J]. High Power Laser and Particle Beams, 2023, 35(11): 111004

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Paper Information

Category:

Received: May. 11, 2023

Accepted: Sep. 26, 2023

Published Online: Dec. 26, 2023

The Author Email: Qiu Rong (43951700@qq.com)

DOI:10.11884/HPLPB202335.230126

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Mass fractions of cadmium and potassium chloride in standard samples of groups D and E

Table 1. Mass fractions of cadmium and potassium chloride in standard samples of groups D and E

Table 2. Mass fractions of cadmium in three groups (F, G, and H) of standard samples

Table 2. Mass fractions of cadmium in three groups (F, G, and H) of standard samples

Table 3. Quantitative analysis results of three matrices under two excitation methods

Table 3. Quantitative analysis results of three matrices under two excitation methods