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From Wikipedia, the free encyclopedia

HF, Hf or hf can refer to:

• Hafnium, a chemical element
• Hydrogen fluoride, a diatomic compound which can dissolve in water to from hydrofluoric acid
• Hydrofluoric acid, a highly corrosive solution of hydrogen fluoride in water
• High frequency, the range of radio frequencies from 3 MHz to 30 MHz
• Higher Preparatory Examination (HF), a Danish examination programme
• Hapagfly, a German airline (IATA code)
• Heritage Front, a white supremacist and Canadian Nationalist group
• Hartree-Fock, a calculation scheme
• Limited liability company (Hlutafelag), in Iceland
• Hard-Fi

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