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 effects of the mass fraction and temperature of potassium fluoride solution on the solubility of potassium fluorosilicate in potassium fluoride solution were investigated. The effects of potassium fluoride solution on the solubility of potassium fluoride in potassium fluoride solution were studied. 

The results showed that the solubility of potassium fluorosilicate in aqueous potassium fluoride solution was low when the mass fraction of potassium fluoride solution was above 15% at the temperature of 298.15K. The pH of potassium fluoride solution was adjusted by using fluorosilicic acid when the end point value is the same as that of the same mass fraction, the purity of the purified potassium fluoride solution is the same, and the purity of the purified potassium fluoride product is more than 99%.