Hydrofluoric Acid， CAS :7664-39-3

Application : 1. Hydrofluoric acid plays an important role in the purification of aluminum and uranium due to its ability to dissolve oxides.

 

2. Hydrofluoric acid is also used to etch glass, which can engrave patterns, mark scales and texts;

 

3, the semiconductor industry uses it to remove oxides on the silicon surface, in the refinery it can be used as a catalyst for the alkylation of isobutane and n-butene, in the process of "leaching" of oxygen-containing impurities on the surface of stainless steel Hydrofluoric acid is also used.

 

Hydrofluoric acid is also used in the synthesis of various fluorine-containing organic compounds, such as Teflon (polytetrafluoroethylene) and refrigerants such as Freon.

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