Environment, health and safety

In first aid for hydrofluoric acid on the skin, which agent may be used after rinsing with plenty of water?

  1. ACalcium gluconate gel
  2. BSugar solution
  3. CTable salt
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Answer: A. Calcium gluconate gel

Fluoride ions from hydrofluoric acid bind with calcium in the body and damage tissue. After rinsing thoroughly with plenty of water, calcium gluconate gel is applied so the fluoride ions react with calcium, limiting the progression of injury. Always seek medical attention.

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