EXTRACTION OF ERBIUM, THULIUM, YTTERBIUM, AND LUCENIUM(III) NITRATES BY THE MIXTURES OF TRI-N-BUTYL PHOSPHATE AND TRIALKYLMETHYLAMMONIUM NITRATE FROM WATER-SALT SOLUTIONS
Ak. Pyartman et al., EXTRACTION OF ERBIUM, THULIUM, YTTERBIUM, AND LUCENIUM(III) NITRATES BY THE MIXTURES OF TRI-N-BUTYL PHOSPHATE AND TRIALKYLMETHYLAMMONIUM NITRATE FROM WATER-SALT SOLUTIONS, Zurnal neorganiceskoj himii, 41(4), 1996, pp. 686-689