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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A 41-year-old male suffered exposure to 30% Hydrofluoric acid(HF) in the work place due to the breakage of the rubber shoes. Theburned body sites referred to the right pelma and the five toes (A). After 29 h post-burn, he was taken to Quhua Hospital forfurther treatment. The pain score 4 h after infusion was 2.6. The affected limb showed gray-brown wound basement afterremoval of the blisters (B). Most of the wounds healed spontaneously after changes of wound dressing for a period of time.The patient underwent autograftment to treat the residual wounds at the 36 days (C), and completely healed at 49 days (D).

To date, calcium gluconate has become one of the mostcommon drugs used to treat Hydrofluoric acid(HF) burns. However, calcium ions,with very weak ability of tissue penetration, could have littleeffect on ?uoride ions in deep tissues. Although tissuepenetration of calcium ions could be enhanced by addingdimethyl sulfoxide or using iontophoretic delivery, thepractical effects remain controversial.

Here we have research on the adjustment action of hydrofluoric acid (HF) in oleate flotation system for five nine kinds of silicate minerals. By mineral potential and the latent energy X-ray photoelectron (XPS) measurement, mineral crystal chemical characteristics and surface properties as the basis. Analysis of the mechanism of action of hydrofluoric acid in silicate minerals flotation, and focused on the activation of HF to quartz and beryl.