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- [22] EXTRACTION OF NIOBIUM AND TANTALUM FROM FLUORIDE SULFURIC ACID-SOLUTIONS BY DI-2-ETHYLHEXYLPHOSPHORIC ACID ZHURNAL NEORGANICHESKOI KHIMII, 1984, 29 (08): : 2062 - 2067
- [23] SEPARATION OF ZIRCONIUM AND NIOBIUM FROM SULFURIC-ACID-SOLUTIONS BY THE METHOD OF HYDROXIDE FRACTION DEPOSITION IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA I KHIMICHESKAYA TEKHNOLOGIYA, 1982, 25 (05): : 640 - 642
- [24] COMPLEX FORMATION IN AQUEOUS SOLUTIONS OF SULFURIC ACID AND SOME METAL SULFATES JOURNAL OF INORGANIC CHEMISTRY-USSR, 1956, 1 (06): : 120 - 125
- [25] UPDATE ON PEROXIDE SULFURIC-ACID ETCHING PLATING AND SURFACE FINISHING, 1984, 71 (07): : 70 - 73
- [26] DECOMPOSITION OF DITRIPHENYLMETHYL PEROXIDE IN CONCENTRATED SULFURIC ACID JOURNAL OF ORGANIC CHEMISTRY, 1961, 26 (11): : 4203 - &
- [29] Kinetics of pressure leaching of niobium ore by sulfuric acid INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS, 2014, 45 : 218 - 222