Laser & Optoelectronics Progress, Volume. 56, Issue 8, 083004(2019)
Identification of Components in Mixtures Based on Raman Spectroscopy
Figures & Tables(7)
Fig. 3. Raman spectra of six kinds of pure substances and mixtures. (a) Pure substance; (b) mixture
Fig. 4. Experimental process. (a) Original spectrum and continuous background; (b) pretreated spectrum
Fig. 5. Peak fitting and decomposition plots. (a) Single peak fitting plot; (b) overlapping peak decomposition plot
Fig. 6. Spectrogram of mixed solution and three kinds of pure substances. (a) Acetone; (b) cyclohexane; (c) ethanol
Table 1. Identification results of six kinds of mixtures
View tableTable 1. Identification results of six kinds of mixtures
Pure substance Mixture Acetone+cyclohexane+ ethanol Acetone+ cycloexane Ethanol+ cycloexane Acetone Cyclohexane Ethanol Acetone 0.8192 0.8469 0.0000 0.9638 0.0000 0.0000 Cyclohexane 0.9897 0.9999 0.8307 0.0000 0.9999 0.0000 Ethanol 0.8724 0.6528 0.8725 0.0000 0.6366 0.8604 Phosphoric acid 0.5647 0.4946 0.0000 0.5633 0.0000 0.0000 Methamphetamine Hydrochloride 0.5509 0.5123 0.4070 0.4438 0.3791 0.2843 Oxy-6 monoacetylmor-phine hydrochloride 0.5817 0.5642 0.5157 0.0000 0.5423 0.0000 Red phosphorus 0.4879 0.4881 0.0000 0.5330 0.0000 0.0000 Heroin hydrochloride 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Nitrogen mustard 0.1814 0.4641 0.3382 0.0000 0.5448 0.0000 Diphenyl glycolic acid 0.3354 0.3354 0.3352 0.0000 0.3352 0.0000 Mustard gas 0.3905 0.0000 0.0000 0.5347 0.0000 0.0000 Tartaric acid 0.4774 0.5148 0.3896 0.2824 0.2799 0.3896 Sulfuric acid 0.4113 0.3468 0.4438 0.3459 0.0000 0.4438 Sarin 0.5003 0.4986 0.5322 0.0000 0.5121 0.0000 Calcium carbonate 0.0000 0.0000 0.5762 0.0000 0.0000 0.5762 Nitric acid 0.3409 0.0000 0.3023 0.0000 0.0000 0.3410 Acetonitrile 0.5259 0.6234 0.0000 0.3352 0.5206 0.0000 Urea 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
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Caizheng Liu, Qibing Zhu, Min Huang, Min Li. Identification of Components in Mixtures Based on Raman Spectroscopy[J]. Laser & Optoelectronics Progress, 2019, 56(8): 083004
Paper Information
Category: Spectroscopy
Received: Oct. 12, 2018
Accepted: Nov. 16, 2018
Published Online: Jul. 26, 2019
The Author Email: Zhu Qibing (zhuqib@163.com)
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