Potassium heptafluorotantalate is an inorganic compound with the formula K2[TaF7]. It is the potassium salt of the heptafluorotantalate anion [TaF7]2−...
8 KB (707 words) - 13:53, 22 May 2024
solution are the aquo complexes [K(H2O)n]+ where n = 6 and 7. Potassium heptafluorotantalate (K2[TaF7]) is an intermediate in the purification of tantalum...
94 KB (10,892 words) - 06:02, 22 October 2024
niobium involved the fractional crystallization of potassium heptafluorotantalate away from potassium oxypentafluoroniobate monohydrate, a process that...
54 KB (6,224 words) - 23:38, 30 October 2024
HF → 2K2NbF7 + 5 H2O Potassium heptafluoroniobate and potassium heptafluorotantalate are isostructural. The anion has approximate C2v symmetry, being...
4 KB (312 words) - 09:54, 23 May 2024
K3[Fe(C2O4)3] Potassium ferricyanide – K3[Fe(CN)]6 Potassium ferrocyanide – K4[Fe(CN)]6 Potassium heptafluorotantalate – K2[TaF7] Potassium hexafluorophosphate...
119 KB (8,735 words) - 17:31, 25 October 2024
separated by fractional crystallization separation of potassium heptafluorotantalate from potassium oxypentafluoroniobate monohydrate, a process which was...
10 KB (946 words) - 09:06, 13 September 2024
such an anion. A commercially important example is heptafluorotantalate (TaF72−) and its potassium salt (K2TaF7). Many oxides of tantalum are called tantalates...
2 KB (154 words) - 18:09, 2 November 2023
augmented triangular prism. An example of such compound is the potassium heptafluorotantalate. Biaugmented triangular prism — the 50th Johnson solid, constructed...
7 KB (803 words) - 07:45, 15 May 2024
sulfuric acid to produce water-soluble hydrogen fluorides, such as the heptafluorotantalate. This allows the metals to be separated from the various non-metallic...
24 KB (2,450 words) - 17:45, 16 August 2024
oxypentafluoroniobate monohydrate (K2[NbOF5]·H2O) and dipotassium heptafluorotantalate (K2[TaF7]) in water. Newer processes use the liquid extraction of...
80 KB (8,565 words) - 09:59, 26 October 2024
oxypentafluoroniobate monohydrate (K2[NbOF5]·H2O) and dipotassium heptafluorotantalate (K2[TaF7]) in water. Newer processes use the liquid extraction of...
84 KB (8,346 words) - 02:59, 30 October 2024