1971 Volume 44 Issue 10 Pages 2693-2697
The separation of Al from Fe was attempted as a first step in the chromatographic application of the zone-melting method to metal complexes. N,N′-ethylenedianthranilic acid and benzoic acid complexes, and various organic solid solvents were prepared. The experiment was carried out with a zone speed of 6 cm/hr and a moltenzone length of 0.6–1.0 cm at 75°C. When stearic acid was used as the solvent, the recovery percentage of Al was about 75% with the benzoic acid complex and about 99% with the N′ N′-ethylenedianthranilic acid complex. Furthermore, the effective distribution coefficient and phase diagram supported due idea of the behavior of the complexes.
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