![]() Physical form of the agent (ie: solid, liquid, gas).The signs and symptoms of a chemical burn depend on several factors, including: What are the signs and symptoms of chemical burn? Gaseous anhydrous ammonia used in fertilising manufacturing can cause severe burns.Cleaners and detergents used in dilute form are not highly corrosive.Sodium hydroxide and potassium hydroxide - depending on the concentration - may be very corrosive Hydrochloric acid – concentrations range from 5–44% Hydrofluoric acid – a weak acid and in a dilute form does not burn or cause pain on contact ![]() ![]() Used in engraving, metal refining, electroplating and fertiliser manufacturing.Sulphuric acid – concentration ranges from 8% to almost pure acid A substance with a pH of 7 is considered neutral and does not burn.A very strong base has a pH of 14 and may also cause a severe burn.A very strong acid has a pH of 1 and may cause a severe burn.The strength of acids and bases is defined by the pH scale, which ranges from 1–14.The main cause of chemical burn is contact with strong acids or bases. ![]() Chemical burn from a strong acid or alkali is also known as a caustic burn. Very mild chemical burns result in irritant contact dermatitis. Chemical burns are usually the result of an accident and can occur in the home, at school or more commonly, at work, particularly in manufacturing plants that use large quantities of chemicals. Chemical burn is a burn to internal or external organs of the body caused by a corrosive or caustic chemical substance that is a strong acid or base (also known as alkali). ![]()
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