共 50 条
- [21] SOLVENT EXTRACTION OF PROTACTINIUM NIOBIUM AND TANTALUM FROM CITRATE SOLUTIONS ENERGIA NUCLEARE, 1967, 14 (03): : 168 - &
- [22] COMPOSITION OF TANTALUM AND NIOBIUM COMPLEXES, EXTRACTED BY AMINES FROM FLUORIDE SOLUTIONS ZHURNAL NEORGANICHESKOI KHIMII, 1977, 22 (04): : 1043 - 1047
- [23] EXTRACTION OF NIOBIUM AND TANTALUM FROM FLUORIDE SULFURIC ACID-SOLUTIONS BY DI-2-ETHYLHEXYLPHOSPHORIC ACID ZHURNAL NEORGANICHESKOI KHIMII, 1984, 29 (08): : 2062 - 2067
- [24] EXTRACTION OF TRACE NIOBIUM FROM TITANIUM SULFATE SOLUTIONS INDUSTRIAL & ENGINEERING CHEMISTRY PRODUCT RESEARCH AND DEVELOPMENT, 1971, 10 (04): : 396 - &
- [25] EXTRACTION OF TITANIUM, NIOBIUM, AND TANTALUM FROM SULFURIC-ACID-SOLUTIONS BY TRIBUTYL-PHOSPHATE AND PETROLEUM SULFOXIDES JOURNAL OF APPLIED CHEMISTRY OF THE USSR, 1984, 57 (01): : 20 - 24
- [26] EXTRACTION OF NIOBIUM AND TANTALUM BY OCTYLTOLUIDINES FROM HYDROCHLORIC-ACID SOLUTIONS ZHURNAL NEORGANICHESKOI KHIMII, 1976, 21 (05): : 1278 - 1281
- [27] EXTRACTION OF NIOBIUM AND TANTALUM WITH TRIOCTYLAMINE FROM HYDROFLUORIC-ACID SOLUTIONS ZHURNAL ANALITICHESKOI KHIMII, 1973, 28 (09): : 1741 - 1745
- [28] EXTRACTION OF NIOBIUM AND TANTALUM FROM HYDROFLUORIC-ACID SOLUTIONS WITH DIANTIPYRYLMETHANS JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY, 1981, 43 (07): : 1619 - 1624
- [29] EXTRACTION OF NIOBIUM AND TANTALUM FROM HYDROFLUORIC-ACID SOLUTIONS WITH TETRAOCTYLETHYLENEDIAMINE JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1978, 33 (09): : 1379 - 1382