Potassium fluoride,anhydrous
           Potassium fluoride,extra pure
           Potassium fluoride,Granular
           Silicon Dioxide
           Hydrofluoric acid
           Synthetic Cryolite
           Potassium Fluoaluminate
           Ammonium bifluoride
           Potassium Bifluoride
           Aluminium fluoride
           Sodium fluoride
           Potassium Fluorosilicate
           Fluorosilicic Acid
           Sodium silicofluoride
           Potassium Hydroxide Flakes
           Magnesium Fluoride
           Magnesium fluorosilicate
           Barium Fluoride
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The invention relates to a preparation method of a solid dispersion of potassium fluoride, characterized in that an aqueous solution of potassium fluoride is prepared first, and then the fine silica gel is added to the aqueous solution, and the mixture is sufficiently stirred, separated and dried to obtain a dispersion. The potassium fluoride solid dispersion of the invention has high yield, easy to operate and easy to control, the specific surface area of the dispersion can reach more than 100m2 / g, the activity of potassium fluoride is greatly improved, the conversion rate of fluorine is greatly improved, the preparation of fluoride is quite easy and has a good application prospect.