Hydrofluoric acid (HF), a colorless inorganic acid with mild irritating odor, is used extensively in various industries, such as the semiconductor industry and the electropolishing of metal.

• 摘要氢氟酸（HF）为一无色略带刺激味的无机酸，普遍地被使用于各种工业，如半导体工业及金属除锈等。