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
           More
 
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KOH as a melting agent, at high temperatures in the soil silicate decomposition of potassium silicate, potassium aluminate, potassium permanganate and other mixtures, so that a variety of fluoride into potassium fluoride, potassium fluoride to be measured liquid was adjusted to the appropriate pH, and the content of fluoride in the soil was determined by the fluoride ion selective electrode. The melt reagent, melting temperature, melting time and suitable pH conditions were studied, and finally a set of accurate and reliable method for the determination of fluoride in soils.