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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
valves.
- 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.
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General
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Fluoride dosing facility - wodonga wtp
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Fluosilicic acid
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Toxicity of artificially fluoridated water
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The state of the art
in gas cleaning
for the fertilizer industry
Uses
- The application of european
law to
water fluoridation
- Fluorosilicic acid information
pack
MSDS
- 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 %
Products
- Fluorosilicic acid
16961-83-4
- Hydrofluosilicic acid (HFSA) 23%
H2SiF6
- Hydrofluosilicic acid
Patent
- 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
Technology
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Fluorosilicic acid dilution factor
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Fluoride and the phosphate connection
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Fluorspar
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Overview of fluosilicic acid
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Production, import/export, use, and disposal
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Fluosilicic acid properties
Uses
- The application of European
law to
water fluoridation
- Fluorosilicic acid for
fluoridation of potable water
Toxity
- Cautionary
response information
- Fluorosilicate
toxicity and worker safety
- Hexafluorosilicic acid
- Hexafluorosilicic acid
- Hydrofluorosilicic
acid is an inorganic fluoride
Order the CD ROM
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Suppliers
- 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
Market
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An alternative means of disposing of fertilizer
industry's fluoride effluent
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Adaptation of existing data to new modelling
principles
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Hydrofluosilicic acid (cas 16961-83-4)
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Production and market situation of benzylchloride
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Production of aluminum compounds and silica from
ores
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Fluorosilicic acid (cas 16961-83-4)
Report
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Radioactive substances are in
(hydro)fluorosilicic acid
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Muncipal water fluoridation practice
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Hydrofluosilicic acid (h2sif6) ≤26% storage tanks
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Water supply facility checklist for
hydrofluosilicic
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What are we putting in our drinking water
Study
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Interaction of fluosilicic acid with
butyl-substituted
urea
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A study of flexural strength of fluosilicic acid
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Surface modification of precipitated calcium
carbonate
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Two-step ammonization of by-product fluosilicic
acid
Project
- Fluorosilicic acid
system
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