Rui-qing SUN, Lin SHI, Yi-ping CHEN, Yan-qiong SUN. Syntheses and Spectral Study of the Polyoxosilicotungstate and Its Complex Reaction With RhB[J]. Spectroscopy and Spectral Analysis, 2021, 41(8): 2455
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 8, 2455 (2021)
Fig. 1. The asymmetric unit(water molecules were omitted)
Fig. 2. The structure on bc plane
Fig. 3. XRD for compound
Fig. 4. The FTIR spectra of compound (a) and ligand (b)
Fig. 5. Synchronous 2D-IR COS of compound (5~50 mT) (a1, a2) and (50~120 ℃) (b1, b2)
Fig. 6. The UV-Vis DRS of compound
Fig. 7. The TG spectrum of compound
Fig. 8. Complex and RhB
Fig. 9. XRD of complex and compound
Fig. 10. The RhB UV-Vis spectra of control group (a) and study group (b) under pH 0~8
Fig. 11. The standard curve of RhB under pH 1
Fig. 12. The UV-Vis spectra of RhB with different quantity compound
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Table 1. The IR of compound and en
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Table 2. The calculation of complex ratio of RhB to compound
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