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Preparation or source of potassium fluoaluminate

Fluoaluminic acid was formed by hydrofluoric acid without hydrofluoric acid and aluminum hydroxide, and then reacted with potassium hydroxide at high temperature, filtering, drying, melting and crushing.

It can also be produced by fluorinated aluminum, ammonium fluoride and potassium chloride.

Preparation or source of potassium fluoaluminate