单词	hydrofluoric acid
释义	hydrofluoric acid /ˌhʌɪdrə(ʊ)ˈflʊərɪk / noun [mass noun] Chemistry An acidic, extremely corrosive solution of the liquid hydrogen fluoride in water. Chemical formula: HF. Toxic gases may be emitted, and poisoning from carbon monoxide, hydrofluoric acid, and sulphur dioxide can occur.... But if you're going to be precise, hydrofluoric acid is a water solution of hydrogen fluoride, HF. Selected hand-picked samples were analyzed after being dissolved (typically using hydrofluoric acid for silicates and concentrated nitric acid for phosphates).
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