45Sc-NMR

Figure 5 45Sc NMR spectra of [Sc(BH4)3(thf)2].87 (A) normal spectrum (B) H decoupled spectrum (C) 11B decoupled spectrum (D) 1H and 11B decoupled spectrum (reproduced by permission of the American Chemical Society from Inorg. Chem., 1984, 23, 1072-1078).

FIGURE 8.19 45Sc NMR spectra of scandium extracts from hydrochloric media by liquid TBP (1), TVEX-TBP (2), and 50 % TBP solution in CC14 (3). 

FIGU RE 8.22 45Sc NMR spectra of TVEX-TBP after different number of extraction-reextraction cycles. 

Y. Knzovov, V. Korovin, V. Savel eva, and A. Komarov. 31P, 45Sc NMR Comparison of mechanisms of rare metals extraction by solvent extractants and ones introduced in TVEX porous matrix, Proc. ISEC 88, 3, 159—162 (1988). 

V. Korovin and Y. Pogorelov, Effect of TVEX-TBP polymer matrix on scandium extraction based on 31P and 45Sc NMR data, Ukrainian Chem. J., 60, 695-698 (1994). 

V. Korovin, S. Randarevich, S. Bodaratsky, and V. Trachevsky, Scandium extraction from sulfuric solutions by TBP and TVEX-TBP based on data of 31 and 45Sc NMR spectroscopy, Rus. J. Inorg. Chem., 34, 2404 (1990). 

V. Korovin, S. Randarevich, Y. Pogorelov, and S. Bodaratsky, Scandium extraction hy tri-butylphosphate solvent and supported on TVEX polymer matrix from hydrochloric solutions based on 31P and 45Sc NMR data, Rus. J. Coord. Chem., 22, 633-640 (1996). 

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