Potassium fluoride,anhydrous
           Potassium fluoride,extra pure
           Potassium fluoride,Granular
           Silicon Dioxide
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           Ammonium bifluoride
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           Aluminium fluoride
           Sodium fluoride
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           Fluorosilicic Acid
           Sodium silicofluoride
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           Magnesium fluorosilicate
           Barium Fluoride
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Hydrouoric acid (HF), a dangerous inorganic acid, has been widely used in plastic manufacturing, industrial cleaning, glass corrosion, semiconductor fabrication, and other industrial ?elds. HF burns occur not only in theworkplace, but also in homes and of?ces. HF has a strong corrosion function on biological tissues. The aqueous form of HF is a weak acid due to the high electronegativity of fuoride ion, such that dilute concentrations remain relatively non-ionised.

Hence, Hydro?uoric acid (HF) can easily reach deep tissues through intact skin and the lipid barrier, and can generate insoluble salts in combination with calcium and magnesium ions, resulting in increa sed permeability of the cell membrane for potassium ions, nerve polarization, severe pain, and progressive tissue necrosis. Clinical manifestations of HF burns depend on the route of exposure, concentration of the acid, duration of contact, and penetrability or resistance of the tissue exposed.

Hydrofluoric acid in a chemical plant occurred explosion, 18 people contacted at the blast site, after explosion, the hydrofluoric acid gas flow with the air lead to the surrounding villagers have adverse reactions, almost to 210 people. All of them cured after active rescue. Clinical data: General information on 230 patients, 145 cases were male, female 85 cases; aged 14 to 63 years. From exposure to the treatment time, the blast site contacts 0.5 ~ 1h, the peripheral contacts ranging from 1 ~ 26h. Circulated by 1.2h. Press the "People's Republic of China national occupational health standard" diagnostic criteria moderate poisoning in 4 cases, 2 cases of mild poisoning, irritation 224 cases, including 35 cases in hospital, the rest were in outpatient and emergency treatment.