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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Inhalation: The casualty should be taken to fresh air as quickly as possible. This should have already been done by the time the First Aider arrives, but if not then the First Aider should ensure that it is done. An ambulance should be called if the casualty is overcome and becomes unconscious at any time after hydrofluoric acid exposure, otherwise arrange for transport to hospital by other transport (e.g. taxi). After exposure to HF fumes, surveillance will be required for approximately 24 hours to rule out the possibility of pulmonary oedema developing. Assess the casualty – lungs, throat, eyes and skin. If the casualty is conscious, treat any burns to the eyes or skin by flushing with water, removing any contaminated clothing and applying calcium gluconate gel to any burnt skin. Keep the victim warm, quiet and comfortable. If the casualty is unconscious, maintain the airway. If breathing stops, apply artificial ventilation using the Ambu-bag. If trained, administer oxygen. Be prepared to administer full CPR if necessary. Details of the administration of oxygen and the checks that need to be carried out on the equipment are in the Appendix.

Eye Contact for  hydrofluoric acid: Flush the eye with water for at least 15 minutes. Hold the eyelids open and away from the eye surface if possible. If the casualty has contact lenses these should be removed if possible, but not at the expense of flushing the eye. The casualty should be transported to hospital as soon as possible for assessment. If flushing can be maintained during the journey this is of advantage to the casualty. Skin Contact: The affected area should be washed thoroughly as soon as possible. Speed and thoroughness of washing are extremely important. Begin flushing before removing contaminated clothing, but remove it as quickly as possible during the flushing process. Emergency dump showers are a mixed blessing, since the volume of cold water can lead to hypothermia and slips on the floor, and the water is coming from above and may not fall on the affected areas. If a dump shower has been used, the First Aider should be vigilant for the signs of hypothermia in the casualty, since this can be fatal. After about 5 to 10 minutes, if calcium gluconate gel is to hand, flushing can be stopped and the gel applied to the area. If the casualty is able to do this, it is preferred. 

Apply the gel in all cases, whether the burn is painful or not, and continue until at least 15 minutes after the pain has been relieved. Arrange for transport to hospital. This can be by car, unless the casualty has extensive burns or has other associated conditions, such as shock or hypothermia.A chemical reagent called langxi secondary schools use only 20%  hydrofluoric acid dilution, but the special dangers of fluoride ions, even low concentrations of hydrofluoric acid, the same can be fatal. In 2002, Zhejiang Wenling some villagers were pouring a bucket of cleaning solution, after 10 hours she died. According to the public security investigation, the cleaning solution is precisely formulated ratio of 20% hydrofluoric acid, forensic identification of the cause of death is ultimately hydrofluoric acid poisoning. In fact, due to contact with a low concentration of hydrofluoric acid cleaning solution was prepared burns have risk of amputation cases more common in newspapers.