Fluosilicic Acid
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  • Hexafluorosilicic acid(Fluosilicic Acid) is the inorganic compound with the formula H2SiF6.
  • Synonyms are fluorosilicic acid, hydro fluorosilic acid, silicofluoride and silicofluoric acid.
  • Hexafluorosilicic acid refers to an equilibrium mixture with hexa fluorosilicate anion (SiF62-) in an aqueous solution or other solvents that contain strong proton donorsat low pH (acids described similarly include chloroplatinic acid, fluoroboric acid, and hexa fluorophosphoric acid.
  • The HF in turn reacts with silicate minerals, which are an unavoidable constituent of the mineral feedstock, to give silicon tetra fluoride.
  • Thus formed, the silicon tetra fluoride reacts further with HF.
  •  The net process can be described as:
    SiO2 + 6 HF = H2SiF6 + 2 H2O.
  • Hexafluorosilicic acid can also be produced by treating silicon tetra fluoride with hydrofluoric acid.
  • Fluorosilicic acid (Hydrofluorosilicic acid) is manufactured by two different processes, resulting in products with different characteristics.
  •  The largest production of the acid is as a byproduct  of phosphate fertilizer manufacture.
  •  A smaller amount is produced from HF and silica resulting in a purer product at slightly higher strength.
  • It is used in sterilization of equipment, electroplating, tanning of animal hides, ceramics and glass: glass etching, commercial laundry: as a neutralizer for alkalis,hardening of cement ,oil well acidizing ,rust and stain removal for textiles ,wood preservative ,water fluoridation.
  • Fluosilicic acid (FSA) is often recovered from phosphoric acid plants.
  • Fluoridation is not simply the addition of "fluoride to drinking water."
  • Bathing can even be a problem, with people who have sensitive skin.
  • Fluosilicic acid concentrates in pools and spas over time while water evaporates.
  • The chemical reaction is employed, not for our
    health, but to slow down  the corrosive action of fluosilicic acid on the water district's plumbing metal
  • The process involves adding unnatural fluosilicic acid, which contains the fluoride ion inside
  • the fluosilicic acid dosing system (duty/standby) is designed to provide
    automatic flow-rate paced dosing
  • The majority of the hexafluorosilicic acid is converted to aluminium fluoride and cryolite.
  • These materials are     central to the conversion of aluminium ore into aluminium metal.
  • H2SiF6 is a specialized reagent in organic synthesis for cleaving si-o bonds of silyl ethers.
  • Hexafluorosilicic acid and the salts are used as wood preservation agents.
  • Fluoride dosing facility - wodonga wtp
  • Fluosilicic acid
  • Toxicity of artificially fluoridated water
  • The state of the art
    in gas cleaning
    for the fertilizer industry


  • The application of european law to water fluoridation
  • Fluorosilicic acid information pack


  • Fluosilicic acid slf173
  • Fluorosilicic acid (22% solution)
  • Hydrofluosilicic acid, 20 - 30 %
  • Fuorosilicic acid 40%
  • Fluorosilicic acid
  • Water fluoridation and wood preservation
  • Fluosilicic acid. silicate-hexafluoride hydrogen
  • Fluosilicic acid 831 001
  • Fluorosilicic acid, 23-25%
  • Fluorosilicic acid
  • Hydrofluorosilicic acid
  • Fluosilicic acid
  • H2sif6
  • Hydrofluosilicic acid 23%
  • Fluorosilicic acid 34 %


  • Fluorosilicic acid
  • Hydrofluosilicic acid (HFSA) 23% H2SiF6
  • Hydrofluosilicic acid


  • Apparatus for obtaining silicon from fluosilicic acid
  • Concentrating fluosilicic acid
  • Production of fluosilicic acid
  • Process for purifying gypsum using fluosilicic acid
  • Method for increasing fluosilicic acid
  • Process for utilizing using fluosilicic acid
  • Production of metal fluoride from fluosilicic Acid
  • Purification of fluosilicic Acid
  • Recovery of hydrofluorid solution


  • Fluorosilicic acid dilution factor
  • Fluoride and the phosphate connection
  • Fluorspar
  • Overview of fluosilicic acid
  • Production, import/export, use, and disposal
  • Fluosilicic acid properties


  • The application of European law to water fluoridation
  • Fluorosilicic acid for fluoridation of potable water


  •  Cautionary response   information
  • Fluorosilicate toxicity and worker safety
  • Hexafluorosilicic acid
  • Hexafluorosilicic acid
  • Hydrofluorosilicic acid is an inorganic fluoride

Order the CD ROM Today

  • Suppliers of China
  • Suppliers of India
  • List of Manufactures Fluosilicic acid
  • Suppliers list of Fluosilicic acid

Raw material suppliers

  • Hydrofluoric acid
  • Hydrogen fluoride
  • Silicon tetrafluorid
  • Sio2

Manufacturing process

  • Company from China
  • Company  another from China
  • Company from Gujarat
  • Company from India
  • Company from India1
  • An alternative means of disposing of fertilizer industry's fluoride effluent
  • Adaptation of existing data to new modelling principles
  • Hydrofluosilicic acid (cas 16961-83-4)
  • Production and market situation of benzylchloride
  • Production of aluminum compounds and silica from ores
  • Fluorosilicic acid (cas 16961-83-4)


  • Radioactive substances are in (hydro)fluorosilicic acid
  • Muncipal water fluoridation practice
  • Hydrofluosilicic acid (h2sif6) ≤26% storage tanks
  • Water supply facility checklist for hydrofluosilicic
  • What are we putting in our drinking water


  • Interaction of fluosilicic acid with butyl-substituted
  • A study of flexural strength of fluosilicic acid
  • Surface modification of precipitated calcium carbonate
  • Two-step ammonization of by-product fluosilicic acid


  • Fluorosilicic acid system


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