• Spectroscopy and Spectral Analysis
  • Vol. 42, Issue 11, 3423 (2022)
Qing-bo LI1、*, Zhi-qi BI1、1;, Hou-xin CUI2、2;, Jia-ye LANG2、2;, and Zhong-kai SHEN2、2;
Author Affiliations
  • 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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    DOI: 10.3964/j.issn.1000-0593(2022)11-3423-05 Cite this Article
    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 Copy Citation Text show less
    Spectra of total organic carbon standard solution in the first period
    Fig. 1. Spectra of total organic carbon standard solution in the first period
    Spectra of total organic carbon standard solution in the second period
    Fig. 2. Spectra of total organic carbon standard solution in the second period
    Spectra of actual surface water samples
    Fig. 3. Spectra of actual surface water samples
    实验类型建模方法RMSEP/(mg·L-1)
    PLSR1.306
    分组验证ELM1.371
    Ada-iPLSR1.304
    PLSR1.952
    反测验证ELM1.590
    Ada-iPLSR1.533
    Table 1. The prediction results of total organic carbon concentration in standard solution
    建模方法RMSEP/(mg·L-1)MAPE/%
    PLSR4.685.18
    Ada-iPLSR3.673.70
    Nas-PLSR4.405.04
    Nas-Ada-iPLSR3.263.46
    Table 2. The prediction results of total organic carbon concentration in surface water
    实际浓度/
    (mg·L-1)
    预测浓度/
    (mg·L-1)
    相对误差的
    绝对值/%
    21.725.316.45
    32.631.53.57
    43.542.32.75
    50.754.37.14
    54.450.86.62
    65.264.01.74
    76.274.71.92
    86.985.02.22
    101.4101.60.22
    115.8113.32.22
    130.3128.31.58
    144.8145.50.48
    152.0151.50.34
    166.5173.64.27
    173.8180.03.60
    185.0179.92.76
    217.6219.70.96
    Table 3. The prediction results of actual surface water samples in test set
    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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