Lu-lu DAI, Yan JIANG, Ming-xing YANG. Study on the Spectral Identification Characteristics of “Heiqing” and “Heibi”[J]. Spectroscopy and Spectral Analysis, 2021, 41(1): 292
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 1, 292 (2021)
Fig. 1. Comparison of chemical composition between “Heiqing” and “Heibi” samples
Fig. 2. Histogram of Cr, Co, Ni content of “Heiqing” and “Heibi” samples(μg·g-1)
Fig. 3. Raman spectrum of “Heiqing” (a) and “Heibi”samples (b)
Fig. 4. Visible-near infrared absorption spectrum of “Heiqing” (a) and “Heibi” (b) samples
Fig. 5. Mid-infrared absorption spectra of “Heiqing” (a) and “Heibi” (b) samples
Fig. 6. Near-infrared absorption spectra of “Heiqing” (a) ane “Heibi” (b) samples
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Table 1. The information of the samples
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Table 2. Chemical composition of “Heiqing” and “Heibi” samples(Wt/%)
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Table 3. Partial transition metal ion content of “Heiqing” and “Heibi” samples (μg·g-1)
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Table 4. Assignments of Raman peaks of “Heiqing” and “Heibi” samples/cm-1
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Table 5. Assignments of near-Infrared absorption bands of “Heiqing” and “Heibi” samples/nm
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Table 6. Assignments of Infrared absorption bands of “Heiqing” and “Heibi” samples/cm-1
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Table 7. Comparison of the results of microscopic ultraviolet-visible spectrum and infrared spectrum analysis
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