Fan YAN, Qi-bing ZHU, Min HUANG, Cai-zheng LIU, Ze-min LEI, Heng ZHANG, Li-wen ZHANG, Min LI. Quantitative Analysis Method for Mixture With Known Components Based on Raman Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3599
- Spectroscopy and Spectral Analysis
- Vol. 40, Issue 11, 3599 (2020)
Fig. 1. The raw spectra of six substances obtained by a handheld Raman spectrometer
Fig. 2. (a) The raw Raman spectra of S1 sample; (b) The preprocess Raman spectra of S1 sample
Fig. 3. Schematic diagram of area division
Fig. 4. Schematic diagram of spectral decomposition based on Voigt
Fig. 5. The preprocessed spectra and peaks of Ethanol, Acetone, Cyclohexane and S3-V3
Fig. 6. The spectra decomposition of Ethanol, Acetone, Cyclohexane and S3-V3 base on Voigt
Fig. 7. Scatter plot of predicted and actual volume concentrations
(a): Ethanol; (b): Acetonitrile; (c): Acetone; (d): Cyclohexane; (e): Diacetone alcohol; (f): Diethyl malonate
(a): Ethanol; (b): Acetonitrile; (c): Acetone; (d): Cyclohexane; (e): Diacetone alcohol; (f): Diethyl malonate
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Table 1. Ten different types of ternary mixtures
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Table 2. The quantitative analysis results of the mixture and its component reference spectra under same integration time and power
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Table 3. The quantitative analysis results of the mixture and its component reference spectra under different integration time and power
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