page_title: Tantalate
hierarchical_section_title: Tantalate
caption_attribution_description: English: structure of K2TaF7
context_page_description: Tantalate is an tantalum-containing anion or a salt of such an anion. A commercially important example is heptafluorotantalate and its potassium salt.
  Many oxides of tantalum are called tantalates. They are viewed as derivatives of "tantalic acid", hypothetic compounds with the formulas Ta₂O₅·nH₂O or HTaO₃. Examples of such tantalates are lithium tantalate, lutetium tantalate and lead scandium tantalate
context_section_description: Tantalate is an tantalum-containing anion or a salt of such an anion. A commercially important example is heptafluorotantalate (TaF₇²⁻) and its potassium salt (K₂TaF₇).
  Many oxides of tantalum are called tantalates. They are viewed as derivatives of "tantalic acid", hypothetic compounds with the formulas Ta₂O₅·nH₂O or HTaO₃). Examples of such tantalates are lithium tantalate (LiTaO₃), lutetium tantalate (LuTaO₄) and lead scandium tantalate (PST or Pb(ScₓTa₁₋ₓ)O₃. Polyoxometallates containing tantalum provide examples of discrete tantalum oxides that exist in solution.
caption: Potassium heptafluorotantalate.
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