共 50 条
- [31] EXTRACTION OF NIOBIUM AND TANTALUM FROM FLUORIDE SULFURIC ACID-SOLUTIONS BY DI-2-ETHYLHEXYLPHOSPHORIC ACID ZHURNAL NEORGANICHESKOI KHIMII, 1984, 29 (08): : 2062 - 2067
- [33] EXTRACTION OF TRACE NIOBIUM FROM TITANIUM SULFATE SOLUTIONS INDUSTRIAL & ENGINEERING CHEMISTRY PRODUCT RESEARCH AND DEVELOPMENT, 1971, 10 (04): : 396 - &
- [34] Extraction Recovery of Tantalum(V) and Niobium(V) from Hydrofluoric and Hydrofluoric-Sulfuric Acid Aqueous Solutions with Octanol Russian Journal of Applied Chemistry, 2001, 74 : 363 - 367
- [35] EXTRACTION OF GERMANIUM BY AMINES FROM FLUORIDE SOLUTIONS JOURNAL OF APPLIED CHEMISTRY OF THE USSR, 1975, 48 (05): : 1175 - 1176
- [36] GERMANIUM EXTRACTION BY AMINES FROM FLUORIDE SOLUTIONS ZHURNAL NEORGANICHESKOI KHIMII, 1973, 18 (09): : 2479 - 2481
- [37] SEPARATION OF TRANSPLUTONIUM ELEMENTS FROM OTHER ELEMENTS IN BASIC AND CARBONATE SOLUTIONS BY EXTRACTION WITH ALKYL-DERIVATIVES OF AMINOALCOHOLS SOVIET RADIOCHEMISTRY, 1990, 32 (02): : 89 - 92
- [38] COMPOSITION OF TANTALUM AND NIOBIUM COMPLEXES, EXTRACTED BY AMINES FROM FLUORIDE SOLUTIONS ZHURNAL NEORGANICHESKOI KHIMII, 1977, 22 (04): : 1043 - 1047
- [39] INFLUENCE OF SOLVENTS ON NIOBIUM EXTRACTION FROM HYDROCHLORIC ACID SOLUTIONS BY HIGH MOLECULAR WEIGHT ALKYLAMINES IZVESTIYA AKADEMII NAUK SSSR-SERIYA KHIMICHESKAYA, 1971, (03): : 475 - +