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- [3] DISSOLUTION OF SILICATE MINERALS BY HYDROFLUORIC-ACID INDUSTRIAL & ENGINEERING CHEMISTRY FUNDAMENTALS, 1981, 20 (02): : 155 - 161
- [4] DISSOLUTION KINETICS OF SILICON DIOXIDE IN HYDROFLUORIC-ACID JOURNAL OF APPLIED CHEMISTRY OF THE USSR, 1989, 62 (07): : 1518 - 1520
- [5] DISSOLUTION OF IRON(III) OXIDE IN HYDROFLUORIC-ACID JOURNAL OF APPLIED CHEMISTRY OF THE USSR, 1976, 49 (08): : 1730 - 1733
- [8] EXTRACTION OF NIOBIUM AND TANTALUM WITH TRIOCTYLAMINE FROM HYDROFLUORIC-ACID SOLUTIONS ZHURNAL ANALITICHESKOI KHIMII, 1973, 28 (09): : 1741 - 1745
- [9] EXTRACTION OF NIOBIUM AND TANTALUM FROM HYDROFLUORIC-ACID SOLUTIONS WITH DIANTIPYRYLMETHANS JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY, 1981, 43 (07): : 1619 - 1624
- [10] STUDY OF OSCILLATING SPECTRA OF NIOBIUM AND TANTALUM IN HYDROFLUORIC-ACID SOLUTIONS ZHURNAL OBSHCHEI KHIMII, 1987, 57 (05): : 974 - 979