Research Article
Solvent Extraction of Thorium Using 5,11,17,23-Tetra[(2-ethyl acetoethoxyphenyl)(azo)phenyl]calix[4]arene
Table 5
The content of thorium in monazite samples (mg/kg).
| Samples | This work | Previous work [30] | INAA method |
| HT-1 | 2385.8 ± 202.8 | 2278.7 ± 160.2 | 2249.6 ± 156.7 | HT-2 | 930.7 ± 98.2 | 956.1 ± 128.2 | 942.6 ± 97.9 | HT-3 | 1729.5 ± 183.2 | 1699.7 ± 124.2 | 1781.5 ± 145.6 |
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