Английская Википедия:Actinium(III) fluoride

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Шаблон:Chembox

Actinium(III) fluoride (AcF3) is an inorganic compound, a salt of actinium and fluorine.

Synthesis

Actinium fluoride can be prepared in solution or by a solid-state reaction. In the first method, actinium hydroxide is treated with hydrofluoric acid and the product precipitates:[1]

<chem>Ac(OH)3 + 3HF -> AcF_3(v) + 3H2O</chem>

In the solid-state reaction, actinium metal is treated with hydrogen fluoride gas at 700 °C in a platinum crucible.[2][3]

Properties

Actinium fluoride is a white solid that reacts with ammonia at 900–1000 °C to yield an actinium oxyfluoride:

<chem>AcF3 + 2NH3 + H2O -> AcOF + 2NH4F</chem>

While lanthanum oxyfluoride is easily formed by heating lanthanum fluoride in air, a similar treatment merely melts actinium fluoride and does not yield AcOF.[2][3]

References

Шаблон:Reflist

Шаблон:Actinium compounds Шаблон:Fluorides Шаблон:Actinide halides Шаблон:Authority control

  1. Шаблон:Cite book
  2. 2,0 2,1 Шаблон:Cite journal
  3. 3,0 3,1 Meyer, Gerd and Morss, Lester R. (1991) Synthesis of lanthanide and actinide compounds. Springer. Шаблон:ISBN. pp. 87–88