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- [32] EXTRACTION OF NIOBIUM AND TANTALUM FLUORIDE AND CHLORIDE COMPLEXES WITH PYRAZOLONE DERIVATIVES ZAVODSKAYA LABORATORIYA, 1975, 41 (04): : 391 - 392
- [33] SOLVENT EXTRACTION SEPARATION OF PROTACTINIUM FROM ELEMENTS OF 4A AND 5A GROUPS ENERGIA NUCLEARE, 1966, 13 (04): : 194 - &
- [39] A NEW PROCESS FOR THE SEPARATION OF TANTALUM FROM NIOBIUM METALLURGICAL TRANSACTIONS B-PROCESS METALLURGY, 1980, 11 (01): : 57 - 62