Detection of Total Organic Carbon in Surface Water Based on UV-Vis Spectroscopy

Qing-bo LI; Zhi-qi BI; Hou-xin CUI; Jia-ye LANG; Zhong-kai SHEN

doi:10.3964/j.issn.1000-0593(2022)11-3423-05

Spectroscopy and Spectral Analysis, Volume. 42, Issue 11, 3423(2022)

Detection of Total Organic Carbon in Surface Water Based on UV-Vis Spectroscopy

Qing-bo LI^1、*, Zhi-qi BI^1、1;, Hou-xin CUI^2、2;, Jia-ye LANG^2、2;, and Zhong-kai SHEN^2、2;

¹1. Key Laboratory of Precision Opto-Mechatronics Technology, Ministry of Education, School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing 100191, China

²2. Hebei Sailhero Environmental Protection Hi-Tech Co., Ltd., Shijiazhuang 050035, China

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Figures & Tables(6)

Fig. 1. Spectra of total organic carbon standard solution in the first period

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Fig. 2. Spectra of total organic carbon standard solution in the second period

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Fig. 3. Spectra of actual surface water samples

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Table 1. The prediction results of total organic carbon concentration in standard solution
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Table 1. The prediction results of total organic carbon concentration in standard solution
实验类型建模方法 RMSEP/(mg·L^-1)
PLSR 1.306
分组验证 ELM 1.371
Ada-iPLSR 1.304
PLSR 1.952
反测验证 ELM 1.590
Ada-iPLSR 1.533

Table 2. The prediction results of total organic carbon concentration in surface water
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Table 2. The prediction results of total organic carbon concentration in surface water
建模方法 RMSEP/(mg·L^-1) MAPE/%
PLSR 4.68 5.18
Ada-iPLSR 3.67 3.70
Nas-PLSR 4.40 5.04
Nas-Ada-iPLSR 3.26 3.46

Table 3. The prediction results of actual surface water samples in test set

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Table 3. The prediction results of actual surface water samples in test set

实际浓度/ (mg·L^-1)	预测浓度/ (mg·L^-1)	相对误差的绝对值/%
21.7	25.3	16.45
32.6	31.5	3.57
43.5	42.3	2.75
50.7	54.3	7.14
54.4	50.8	6.62
65.2	64.0	1.74
76.2	74.7	1.92
86.9	85.0	2.22
101.4	101.6	0.22
115.8	113.3	2.22
130.3	128.3	1.58
144.8	145.5	0.48
152.0	151.5	0.34
166.5	173.6	4.27
173.8	180.0	3.60
185.0	179.9	2.76
217.6	219.7	0.96

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Qing-bo LI, Zhi-qi BI, Hou-xin CUI, Jia-ye LANG, Zhong-kai SHEN. Detection of Total Organic Carbon in Surface Water Based on UV-Vis Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2022, 42(11): 3423

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Paper Information

Category: Research Articles

Received: Nov. 1, 2021

Accepted: --

Published Online: Nov. 23, 2022

The Author Email: LI Qing-bo (qbleebuaa@buaa.edu.cn)

DOI:10.3964/j.issn.1000-0593(2022)11-3423-05

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. The prediction results of total organic carbon concentration in standard solution

Table 1. The prediction results of total organic carbon concentration in standard solution

Table 2. The prediction results of total organic carbon concentration in surface water

Table 2. The prediction results of total organic carbon concentration in surface water

Table 3. The prediction results of actual surface water samples in test set

Table 3. The prediction results of actual surface water samples in test set