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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Since Scheele found ashes in phosphorus and other substances. This makes later proved that the bones inside Gunn indeed phosphorus. Before this, people only know that the urine phosphorus, and phosphorus found in bones, from Scheele began. He discovered the role of hydrofluoric acid from fluorspar and sulfuric acid. He took advantage of soft manganese ore and hydrochloric acid to give the chlorine, but mistaken found phlogiston. He wrote to a friend in a letter, he said in 1773: If the soft manganese dissolved in hydrochloric acid, the yellow color is obtained a gas. He also found that the gas has a bleaching effect.